Kommentiertes Vorlesungsverzeichnis Wintersemester 2020/2021 
physics606  Advanced Quantum Theory Mo 1214, We 13, HS I, PI 

Instructor(s):  C. Hanhart, B. Kubis  
Prerequisites:  Theoretical courses at the Bachelor degree level, in particular, quantum mechanics; fundamentals of the theory of complex functions.  
Contents: 
 
Literature:  Relativistic quantum mechanics: Manybody quantum theory: Mechanics Scattering theory:  
Comments:  The lecture course will, in particular, provide the fundamentally new insights that stem from the combination of quantum mechanics with special relativity and from the manybody formulation of quantum mechanics. The lecture and exercises will be given in English. More information and additional literature will be given on the lecture web page.  
physics612  Accelerator Physics Tu 1214, Th 810, HS, HISKP 

Instructor(s):  K. Desch  
Prerequisites:  Experimental Physics 15, Theoretical Electrodynamics, Electronics useful.  
Contents:  Understanding of the functional principle of different types of particle accelerators Layout and design of simple magnetooptic systems. Basic knowledge of radio frequency engineering and technology Knowledge of linear beam dynamics in particle accelerators. Elementary overview of different types of particle accelerators: electrostatic and induction accelerators, RFQ, Alvarez, LINAC, Cyclotron, Synchrotron, Microtron Subsystems of particle accelerators: particle sources, RF systems, magnets, vacuum systems Linear beam optics: equations of motion, matrix formalism, particle beams and phase space Circular accelerators: periodic focusing systems, transverse beam dynamics, longitudinal beam dynamics.  
Literature:  Main book for the course: K. Wille, The Physics of Particle Accelerators: An Introduction (Oxford University Press) Others: K. Wille; Physik der Teilchenbeschleuniger und Synchrotronstrahlungsquellen (Teubner) F. Hinterberger; Physik der Teilchenbeschleuniger und Ionenoptik (Springer) H. Wiedemann; Particle Accelerator Physics (Springer) D. A. Edwards, M.J. Syphers; An Introduction to the Physics of High Energy Accelerators (Wiley & Sons) S. Y. Lee, Accelerator Physics and Technology, (World Scientific) Chao, Mess, Tigner, Zimmer, Handbook of Accelerator Physics and Engineering (World Scientfic) and many more  
Comments:  
physics618  Physics of Particle Detectors Tu 1416, HS I, PI, Do 1416, HS, HISKP 

Instructor(s):  E. von Törne  
Prerequisites:   electrodynamics  basics of quantum mechanics  elementary knowledge of particle and nuclear physics  
Contents:  1. Introduction 2. Interaction of particles with matter 3. Gaseous detectors 4. Silicon detectors 5. Photon detection, scintillation and Cherenkov detectors 6. Electromagnetic calorimeters 7. Hadron calorimeters 8. Detector Systems  
Literature:  main text: H. Kolanoski, N. Wermes; Particle detectors" ( Oxford U. Press 2020) or the German version (Springer 2016). other literature: K. Kleinknecht; Detectors for Particle Radiation (Cambridge University Press, 2nd ed., 1998) W.R. Leo; Techniques for Nuclear and Particle Physics Experiments (Springer, Berlin, 2nd ed., 1994) C. Grupen, B. Shwartz; Particle Detectors (Cambridge Monographs on Particle Physics, Nuclear Physics and Cosmology, Band 26, 2nd ed., 2008) C. Leroy, P.G. Rancoita; Principles of Radiation Interaction in Matter and Detection (World Scientific, Singapore, 3rd ed., 2012) W. Blum, W. Riegler, L. Rolandi; Particle Detection with Drift Chambers (Springer, Berlin, 2nd ed., 2008) H. Spieler; Semiconductor detector systems (Oxford University Press, 2005)  
Comments:  The lectures is 3hrs + 1 hr exercise. We have reserved 4 weekly hours. This will also include the exercises (2hrs every other week.) Course materials are on ecampus. The lecture covers the indepth study of the physics processes relevant for modern particle detectors, used e.g. in largescale experiments at CERN, in smaller scale setups in the laboratory, and in astrophysics or medical applications. The general concepts of different detector types such as trackers, calorimeters or devices used for particle identification are introduced. Basics of detector readout techniques and the acquisition of large amount of data are discussed. This course is relevant for students who wish to major in experimental high energy physics, hadron physics or astro particle physics. It is also useful for students interested in medical imaging detectors.  
physics620  Advanced Atomic, Molecular and Optical Physics Tu 1214, Th 810, HS, IAP 

Instructor(s):  S. Stellmer  
Prerequisites:  Quantum mechanics Atomic Physics  
Contents:  Part 1: Atomic and optical physics (Matter and light) Introduction, overview of the course; Reminder of basic atomic structure (including relativistic corrections); Atoms in external fields; Interaction of light and matter: electric dipole transitions, selection rules; Magnetic resonance; Ramsey interferometry and atomic clocks; Light forces, optical potentials, laser cooling and trapping; Quantisation of light; CavityQED; Optical lattice clocks; Part 2: Molecular Physics Basic molecules, hydrogen Molecule; Molecular potentials, bound states, collisions; Feshbach resonances; Part 3: Quantum gases Evaporative cooling; BoseEinstein Condensation; Fundamentals of manybody physics; Optical lattices; Ultracold Fermi gases; BEC vs. BCS; Part 4: Quantum information processing Basic ideas: qubits, gates; Entanglement and quantum algorithms; Ion traps;  
Literature:  C. Foot, "Atomic Physics" H. Metcalf/P. van der Straten, "Laser Cooling and Trapping" C. Pethick/H. Smith, "BoseEinstein condensation in dilute atomic gases" L. Pitaevskii/S. Stringari, "BoseEinstein condensation"  
Comments:  Lectures and tutorials will be online only. Please see eCampus for up to date information.  
physics631  Quantum Optics Tu, Th 1416, HS, IAP 

Instructor(s):  M. Weitz  
Prerequisites:  Optik und AtomphysikGrundvorlesung, Quantenmechanik Optics and Atomic Physics Lectures, Quantum Mechanics  
Contents:  AtomLight Interaction, Bloch Vectors Coherence of Light Fields Quantisation of the Light Field Two and Three Level Atoms Laser Cooling of Atoms Quantum Information Cavity QED  
Literature:  R. Loudon; The quantum theory of light (Oxford University Press 2000) G. J. Milburn, D. F. Walls; Quantum Optics (Springer 1994) D. Meschede; Optik, Licht und Laser (Teubner, Wiesbaden 2nd edition. 2005) M. O. Scully, M. S. Zubairy; Quantum Optics (Cambridge 1997) P. Meystre, M. Sargent; Elements of Quantum Optics (Springer 1999)  
Comments:  Lecture: 3 Teaching hours (3 Semesterwochenstunden) Exercises: 1 Teaching hour (1 Semesterwochenstunde) The exercises, in two hour blocks, alternate every two weeks with a lecture. Times: Tuesday 14 c.t.16 Thursday 14 c.t.16 First lecture: Tuesday, 3. November 2020. The lecture will take place in Online format by Zoom. Details will follow, also regarding the format of the exercises.  
physics615  Theoretical Particle Physics Mo 1618, Tu 16, HS I, PI 

Instructor(s):  M. Drees  
Prerequisites:  Relativistic quantum mechanics. Introductory courses in particle physics and quantum field theory are helpful, but not essential. Basics of Group Theory can be helpful.  
Contents:  Classical field theory, Gauge theories for QED and QCD, Higgs mechanism, Standard model of strong and electroweak interactions  
Literature:  Cheng and Li, Gauge theories of elementary particle physics Peskin and Schroeder: An Introduction to Quantum Field Theory Aitchison and Hey: Gauge Theories in Particle Physics  
Comments:  The course (both lectures and tutorials) are in English. A condition for participation in the final exam is that 50% of the homework of this class have been solved (not necessarily entirely correctly). The first lecture will take place on Monday, October 26 The exact format of the lecture in times of Corona is not clear yet; please watch the web page listed above.  
physics616  Theoretical Hadron Physics We 912, HS, HISKP 

Instructor(s):  U. Meißner, A. Rusetsky  
Prerequisites:  Quantum Mechanics, Advanced Quantum Theory  
Contents: 
 
Literature: 
 
Comments:  A basic knowledge of Quantum Field Theory is useful.  
physics719  BCGS intensive week (Test beam measurements with a pixel telescope at the DESY electron test beam) February/March 2021 

Instructor(s):  I. Gregor  
Prerequisites:  Basic knowledge of particle physics at the bachelor or master level is assumed. Some programming knowledge (C or C++) would also be very useful but are not mandatory.  
Contents:  This course will be of interest for students starting their master studies, students who start their master project soon, and Ph.D. students from other fields of physics who wish to broaden their horizon. We will discuss particle detectors as mostly used in particle physics with focus on silicon tracking detectors. In the afternoons tests with a pixel telescope will be performed at the DESY test beam and the obtained data analysed. An overview of important parameters for detector testing will be given and some of them tested in laboratory tests. This course will be at DESY in Hamburg (travel costs will be covered)!! While following these lines, particular emphasis is given to  Overview on detectors for particle physics  Passage of particles through matter  Basics on tracking detectors with focus on  semiconductor detectors  Reconstruction of hits  Important parameters for detector testing and  how to measure those  Radiation damage effects  Simulation of tracks  Taking data with a pixel telescope (electrons at DESY test beam)  Test beam data analysis Of course, not all topics can be addressed to depth within one week. Thus, an effort is made that students will receive an overview and understand the most important concepts. The course is an allday seminar starting on Monday morning of the selected week. Registration: To take part please register on eCampus: https://ecampus.unibonn.de/goto_ecampus_crs_1861366.html before the end of December 2020. Students who wish to receive course credits also need to register on BASIS! Registrations opens on November 1st 2021 until end of January 2021. If the Corona situation does not allow an inperson course at DESY, an all online course will be offered in the same week. Form of Testing and Examination: Seminar talk. Students who would like to obtain course credit for the intensive week give a seminar talk during or after the intensive week. Please contact gregor@physik.unibonn.de as soon as you registered if you would like to give a presentation. The course can also be taken without course credit.  
Literature:  Will be provided.  
Comments:  The course is an allday workshop in the lecture free time (February or March 2021). The Intensive Week will have lectures in the morning and handson exercises in the afternoon.  
physics740  Handson Seminar: Experimental Optics and Atomic Physics 

Instructor(s):  M. Weitz u.M.  
Prerequisites:  Optik und Atomphysik Grundvorlesungen, Quantenmechanik  
Contents:  Diodenlaser Optische Resonatoren Akustooptische Modulatoren Spektroskopie Radiofrequenztechnik Spannungsdoppelbrechung und vieles mehr  
Literature:  wird gestellt  
Comments:  Vorbesprechung am Montag, den 2.11.2020, um 9 c.t., Die Vorbesprechung findet Online per Zoom statt, wobei Zugangsdaten auf ecampus zu finden werden sind. Seminartermine ab 16.11.2020  
physics760  Computational Physics Tu 1012, SR I, HISKP 

Instructor(s):  T. Luu, A. Nogga, A. Wirzba  
Prerequisites:  Knowledge of a modern programming language (for example, C and/or C++)  
Contents:  Aim of the course: Develop the ability to apply modern computational methods for solving physics problems Main Topics:
Final projects and participation in homework assignments required for successful completion of course.  
Literature:  W.H. Press et al.: Numerical Recipes in C (Cambridge University Press) C.P. Robert and G. Casella: Monte Carlo Statistical Methods (Springer 2004) Tao Pang: An Introduction to Computational Physics (Cambridge University Press) Vesely, Franz J.: Computational Physics: An Introduction (Springer) Binder, Kurt and Heermann, Dieter W.: Monte Carlo Simulation in Statistical Physics (Springer) Fehske, H.; Schneider, R.; Weisse, A.: Computational ManyParticle Physics (Springer)  
Comments:  Course will be given online and in English  
physics7502  Random Walks and Diffusion 

Instructor(s):  G. Schütz  
Prerequisites:  Quantum mechanics, statistical physics, ordinary and partial differential equations  
Contents:  Random walks, diffusion, central limit theorem, first passage problems, interacting particle systems  
Literature:  Beginning of the course on 5th Nov.  
Comments:  This is an updated and more demanding version of the course with the same title taught previously. Some knowledge in solving partial differential equations (including nonlinear partial differential equations) are required to follow.  
physics7508  Quantum Computing Mo 1012, HS, HISKP, We 10, SR I; HISKP 

Instructor(s):  C. Urbach  
Prerequisites:  Quantum Mechanics Knowledge of a programming language like python or R might be helpful.  
Contents:  Understand the theory of quantum computing and apply it to existing hardware.
Example problems will be implemented and run on IBM's Q experience.  
Literature:  M. A. Nielsen and I. L. Chuang, Quantum Computation and Quantum Information, Cambridge university press.  
Comments:  
physics772  Physics in Medicine: Fundamentals of Analyzing Biomedical Signals Mo 1012, We 12, SR I, HISKP 

Instructor(s):  K. Lehnertz  
Prerequisites:  Bachelor  
Contents:  Introduction to the theory of nonlinear dynamical systems  regularity, stochasticity, deterministic chaos, nonlinearity, complexity, causality, (non)stationarity, fractals  selected examples of nonlinear dynamical systems and their characteristics (model and real world systems)  selected phenomena (e.g. noiseinduced transition, stochastic resonance, selforganized criticality) Time series analysis  linear methods: statistical moments, power spectral estimates, auto and crosscorrelation function, autoregressive modeling  univariate and bivariate nonlinear methods: statespace reconstruction, dimensions, Lyapunov exponents, entropies, determinism, synchronization, interdependencies, surrogate concepts, measuring nonstationarity Applications  nonlinear analysis of biomedical time series (EEG, MEG, EKG)  
Literature:  M. Priestley: Nonlinear and nonstationary time series analysis, London, Academic Press, 1988. H.G. Schuster: Deterministic chaos: an introduction. VCH Verlag Weinheim; Basel; Cambridge, New York, 1989 E. Ott: Chaos in dynamical systems. Cambridge University Press, Cambridge UK, 1993 H. Kantz, T. Schreiber T: Nonlinear time series analysis. Cambridge University Press, Cambridge UK, 2nd ed., 2003 A. Pikovsky, M. Rosenblum, J. Kurths: Synchronization: a universal concept in nonlinear sciences. Cambridge University Press, Cambridge UK, 2001  
Comments:  Beginning: Mo October 26  
physics776  Physics in Medicine: Physics of Magnetic Resonance Imaging Tu 1012, Th 1618, HS, IAP 

Instructor(s):  T. Stöcker  
Prerequisites:  Lectures Experimental Physics IIII (physik111physik311)  
Contents:   Theory and origin of nuclear magnetic resonance (QM and semiclassical approach)  Spin dynamics, T1 and T2 relaxation, Bloch Equations and the Signal Equation  Gradient echoes and spin echoes and the difference between T2 and T2*  On and offresonant excitation and the slice selection process  Spatial encoding by means of gradient fields and the kspace formalism  Basic imaging sequences and their basic contrasts, basic imaging artifacts  Hardware components of an MRI scanner, accelerated imaging with multiple receivers  Computation of signal amplitudes in steady state sequences (Phase Graphs)  Advanced MRI Sequences: quantifying flow, diffusion, susceptibility and more  Applications in Neuroimaging  
Literature:   T. Stöcker: Scriptum zur Vorlesung  E.M. Haacke et al, Magnetic Resonance Imaging: Physical Principles and Sequence Design, John Wiley 1999  M.T. Vlaardingerbroek, J.A. den Boer, Magnetic Resonance Imaging: Theory and Practice, Springer  Z.P. Liang, P.C. Lauterbur, Principles of Magnetic Resonance Imaging: A Signal Processing Perspective, SPIE 1999  
Comments:  
physics653  Seminar on Recent Topics in Hadron Physics Fr 1214, SR I, HISKP 

Instructor(s):  A. Thiel  
Prerequisites:  
Contents:  This seminar will cover different topics, which are currently of interest in the field of hadron physics. These topics will  among others  include:
 
Literature:  Will be provided during the seminar.  
Comments:  
physics655  Computational Physics Seminar on Analyzing Biomedical Signals Mo 1416, SR I, HISKP 

Instructor(s):  K. Lehnertz, B. Metsch  
Prerequisites:  Bachelor, basics of programming language (e.g., Fortran, C, C++, Pascal)  
Contents:   time series: chaotic model systems, noise, autoregressive processes, real world data  generating time series: recursive methods, integration of ODEs  statistical properties of time series: higher order moments, autocorrelation function, power spectra, corsscorrelation function  statespace reconstruction (Takens theorem)  characterizing measures: dimensions, Lyapunovexponents, entropies, testing determinism (basic algorithms, influencing factors, correction schemes)  testing nonlinearity: making surrogates, null hypothesis tests, MonteCarlo simulation  nonlinear noise reduction  measuring synchronisation and interdependencies  
Literature:   H. Kantz, T. Schreiber T: Nonlinear time series analysis. Cambridge University Press, Cambridge UK, 2nd ed., 2003  A. Pikovsky, M. Rosenblum, J. Kurths: Synchronization: a universal concept in nonlinear sciences. Cambridge University Press, Cambridge UK, 2001  WH. Press, BP. Flannery, SA. Teukolsky, WT. Vetterling: Numerical Recipes: The Art of Scientific Computing. Cambridge University Press  see also: http://www.mpipksdresden.mpg.de/~tisean/ and http://www.nr.com/  
Comments:  Location: Seminarraum I, HISKP Time: Mo 14  16 and one lecture to be arranged Beginning: Mo October 26 (preliminary discussion)  
6823  Research Internship / Praktikum in der Arbeitsgruppe: Analysis of protonproton (ATLAS) collisions. Emphasis on topquark physics and/or machine learning. pr, all day, 34 weeks Applications to brock@physik.unibonn.de, PI 

Instructor(s):  I. Brock u.M.  
Prerequisites:  Master level particle physics lecture.  
Contents:  Analysis of Run 2 data from the ATLAS experiment with emphasis on top quark production in association with other heavy particles. Further development of machine learning techniques for use in highenergy physics.  
Literature:  
Comments:  
6826  Praktikum in der Arbeitsgruppe: Neurophysik, Computational Physics, Zeitreihenanalyse pr, ganztägig, ca. 4 Wochen, n. Vereinb., HISKP u. Klinik für Epileptologie 

Instructor(s):  K. Lehnertz u.M.  
Prerequisites:  basics of programming language  
Contents:  This laboratory course provides insight into the current research activities of the Neurophysics group. Introduction to time series analysis techniques, neuronal modelling, complex networks. Opportunity for original research on a topic of own choice, with concluding presentation to the group.  
Literature:  Working materials will be provided.  
Comments:  Contact: Prof. Dr. K. Lehnertz email: klaus.lehnertz@ukbonn.de  
6834  Praktikum in der Arbeitsgruppe: Vorbereitung und Durchführung optischer und atomphysikalischer Experimente, Mitwirkung an Forschungsprojekten der Arbeitsgruppe / Laboratory in the Research Group: Preparation and conduction of optical and atomic physics experiments, Participation at research projects of the group (D/E) pr, ganztägig, 26 Wochen n. Vereinb., IAP 

Instructor(s):  M. Weitz u.M.  
Prerequisites:  Optik und Atomphysik Grundvorlesungen, Quantenmechanik  
Contents:  Studenten soll frühzeitig die Möglichkeit geboten werden, an aktuellen Forschungsthemen aus dem Bereich der experimentellen Quantenoptik mitzuarbeiten: Ultrakalte atomare Gase, BoseEinsteinKondensation, kollektive photonische Quanteneffekte. Die genaue Themenstellung des Praktikums erfolgt nach Absprache.  
Literature:  wird gestellt  
Comments:  Homepage der Arbeitsgruppe: https://www.qo.unibonn.de/  
6835  Special Topics in Quantum Field Theory: Anomalies and their consequences Blockvorlesung: 26.10. bis 30.10.2020 

Instructor(s):  E. Kraus  
Prerequisites:  Quantum field theory (physics 755) Basics of quantization of gauge theories  
Contents:  The anomaly of the axial current Nonrenormalization of the anomaly Anomalies in gauge theories: Nonrenormalizabiliy and symmetries  
Literature:  N. N. Bogoliubov, D.V. Shirkov; Introduction to the theory of quantized fields (J. Wiley & Sons 1959) M. Kaku, Quantum Field Theory (Oxford University Press 1993) M. E. Peskin, D.V. Schroeder; An Introduction to Quantum Field Theory (Harper Collins Publ. 1995)  
Comments:  27.10. 810 28.10. 1012 29.10. 810 und 1214 jeweils im HS I des PI.  
astro8503  Radio and XRay Observations of Dark Matter and Dark Energy Fr 1315, Raum 0.008, AIfA Exercises/lab course arranged by appointment 

Instructor(s):  T. Reiprich, F. Pacaud  
Prerequisites:  Introduction to astronomy.  
Contents:  Introduction into the evolution of the universe and the theoretical background of dark matter and dark energy tests. Cosmology with clusters of galaxies using Xrays and the SunyaevZeldovich effect. Cosmic microwave background. Cosmic distance scale. Cosmic baryon budget and the warm hot intergalactic medium.  
Literature:  A lecture script will be distributed.  
Comments:  
astro856  Quasars and Microquasars Th 1315, Raum 0.01, MPIfR 

Instructor(s):  M. Massi  
Prerequisites:  
Contents:  Stellarmass black holes in our Galaxy mimic many of the phenomena seen in quasars but at much shorter timescales. In these lectures we present and discuss how the simultaneous use of multiwavelength observations has allowed a major progress in the understanding of the accretion/ejection phenomenology. 1. Microquasars and Quasars Definitions Stellar evolution, white dwarf, neutron star, BH 2. Accretion power in astrophysics Nature of the mass donor: Low and High Mass Xray Binaries Accretion by wind or/and by Roche lobe overflow Eddington luminosity Mass function: neutron star or black hole ? 3. Xray observations Temperature of the accretion disc and inner radius Spectral states Quasi Periodic Oscillations (QPO) 4. Radio observations Single dish monitoring and VLBI Superluminal motion (review, article) Doppler Boosting Synchrotron radiation Plasmoids and steady jet 5. AGN  
Literature:  
Comments:  http://www3.mpifrbonn.mpg.de/staff/mmassi/#microquasars1  
6954  Seminar on galaxy clusters Th 1516:30, Raum 0.006, AIfA 

Instructor(s):  T. Reiprich  
Prerequisites:  Introductory astronomy course.  
Contents:  The students will report about uptodate research work on galaxy clusters based on scientific papers.  
Literature:  Will be provided.  
Comments: 