Dr. Takács Gábor

Egyetemi tanár

Head
BME Statistical Field Theory Research Group
BME Statisztikus Térelméleti Kutatócsoport
Szoba: 
F III. 1. em/2.
Email: 
takacsg (at) eik.bme.hu
Telefon: 
+36 1 463 4110

Oktatás

BSc courses

(in Hungarian)
Electrodynamics 1 (BMETE15AF25)
Electrodynamics 1 (BMETE15AF26, exercise class)
Electrodynamics 2 (BMETE15AF34)
Electrodynamics 2 (BMETE15AF35, exercise class)

MSc courses

(in English)
Particle Physics (BMETE15MF43)
Quantum Field Theory (BMETE15MF46)
Statistical Field Theory (BMETE15MF39)
Advanced Quantum Field Theory (BMETE15MF57)

Graduate students

Ferenc Wágner

(joint supervision with Z. Bajnok and L. Palla)
1999-2000 MSc (Eötvös University, Budapest)
2000-2003 PhD (Eötvös University, Budapest, graduated in 2010)

Márton Kormos

2002-2003 MSc (Eötvös University, Budapest)
2003-2007 PhD (Eötvös University, Budapest)

Balázs Pozsgay

2005-2006 MSc (Eötvös University, Budapest)
2006-2009 PhD (Eötvös University, Budapest)

Miklós Szőts

2006-2007 MSc (Eötvös University, Budapest)

György Fehér

2009-2011 MSc (Budapest University of Technology and Economics)

Máté Lencsés

2010-2011 MSc (Budapest University of Technology and Economics)
2011-2015 PhD (Eötvös University, Budapest)

Anna J. Zsigmond

2009-2010 BSc (Eötvös University, Budapest)

István Szécsényi

2010-2013 PhD (Eötvös University, Budapest, graduated in 2017)

Tamás Pálmai

2011-2012 Part-time graduate student (Budapest University of Technology and Economics, PhD supervisor: B. Apagyi)

Márton Mestyán

2013-2015 MSc (Budapest University of Technology and Economics, supervision shared with B. Pozsgay)

Dávid Horváth

2014-          PhD (Budapest University of Technology and Economics)

Tibor Rakovszky

2015-2016 MSc student (Budapest University of Technology and Economics)

Levente Pristyák

2016-2017 BSc (Budapest University of Technology and Economics)
2017-          MSc (Budapest University of Technology and Economics)

Octavio Pomponio

2017-          MSc (Bologna University)

Kutatás

Publication list with citations
(from the Library of Hungarian Scientific Works, includes links to other databases)
Publication list from the NASA/ADS database

Válogatott közlemények

1

Kormos M, Collura M, Takacs G, Calabrese P

Real-time confinement following a quantum quench to a non-integrable model

NATURE PHYSICS 13: pp. 246-249. (2017)

2

M Mestyán, B Pozsgay, Takacs G, MA Werner

Quenching the XXZ spin chain: quench action approach versus generalized Gibbs ensemble

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT 2015:(4) Paper P04001. 35 p. (2015)

3

Pozsgay B, Mestyan M, Werner MA, Kormos M, Zarand G, Takacs G

Correlations after Quantum Quenches in the XXZ Spin Chain: Failure of the Generalized Gibbs Ensemble

PHYSICAL REVIEW LETTERS 113:(11) Paper 117203. 5 p. (2014)

4

Sotiriadis S, Takacs G, Mussardo G

Boundary state in an integrable quantum field theory out of equilibrium

PHYSICS LETTERS B 734: pp. 52-57. (2014)

5

Feher GZ, Palmai T, Takacs G

Sine-Gordon multisoliton form factors in finite volume

PHYSICAL REVIEW D85:(8) Paper 085005. 12 p. (2012)

6

Pozsgay B, Takacs G

Form factors in finite volume I: Form factor bootstrap and truncated conformal space

NUCLEAR PHYSICS B 788:(3) pp. 167-208. (2008)

7

Pozsgay B, Takacs G

Form factors in finite volume II: Disconnected terms and finite temperature correlators

NUCLEAR PHYSICS B 788:(3) pp. 209-251. (2008)

8

Feverati G, Ravanini F, Takacs G

Non-linear integral equation and finite volume spectrum of sine-Gordon theory

NUCLEAR PHYSICS B 540:(3) pp. 543-586. (1999)

9

Feverati G, Ravanini F, Takacs G

Scaling functions in the odd charge sector of sine-Gordon massive Thirring theory

PHYSICS LETTERS B 444:(3-4) pp. 442-450. (1998)

10

Feverati G, Ravanini F, Takacs G

Truncated conformal space at c=1, nonlinear integral equation and quantization rules for multi-soliton states

PHYSICS LETTERS B 430:(3-4) pp. 264-273. (1998)

Előadások


Invited talks at international conferences/workshops/schools

2016 New Trends in Low-Dimensional Physics: Quantum Integrability and Applications
1 - 15 Sep 2016, Institute of Physics, Chinese Academy of Sciences, Beijing, China
Title: Particle formation and ordering in strongly correlated fermionic systems: Solving a model of quantum chromodynamics
2016 Conformal Field Theories and Renormalization Group Flows in Dimensions d>2  
23 May - 8 July 2016, The Galileo Galilei Institute for Theoretical Physics, Florence, Italy
Title: Truncated Hamiltonian approach to quantum quenches in field theory
2015 Beyond integrability: The mathematics an physics of integrability and its breaking in low-dimensional strongly correlated quantum phenomena  
13-17 July 2015, Centre de Recherches Mathematiques, Montreal, Canada
Title: Quenching the XXZ spin chain: quench action approach versus generalized Gibbs ensemble
2015 Lecture Series on Quantum Quenches  
Intensive PhD course, 29 June - 9 July 2016, 13x2 lectures
Department of Physics, University of Bologna, Bologna, Italy
2015 Back to the Bootstrap 2015  
18-29 May 2015, Weizmann Institute of Science, Rehovot, Israel
Title: Truncated conformal space approach: Numerical and analytical RG techniques
2014 Quantum Integrability, Conformal Field Theory and Topological Quantum Computation  
23 March-6 April 2014, International Institute of Physics, Natal, Brazil
Title: Form factors in the presence of integrable defects
2014 Advances in Strong-Field Electrodynamics (lecture series)  
3 - 6 Feb 2014, ELTE Bolyai College, Budapest, Hungary
Title: The Casimir effect and the physical vacuum
2012 The Beauty of Integrability: low-dimensional Physics, Statistical Models and Solitons  
15-28 July 2012, International Institute of Physics, Natal, Brazil
Title: Excited state g-functions from the Truncated Conformal Space
2010 Finite-size technology in low dimensional quantum field theory (V)
27 June-17 July 2010, Centro de Ciencias de Benasque Pedro Pascual, Benasque, Spain
Title: Systematic perturbative expansion for nonintegrable quantum field theories
2008 APCTP Focus Program: Finite-size technology in low dimensional quantum field theory (IV)
25 June-15 July 2008, Asia-Pacific Center for Theoretical Physics, Pohang, Korea
Title: Form factors in finite volume and finite temperature correlators
2006 4th EUCLID Annual Meeting on Integrable Models and Applications: from Strings to Condensed Matter  
11-15 September 2006, École Normale Supérieure, Lyon, France
Title: Characterization of resonances using finite size effects
2005 APCTP Focus Program: Finite-size technology in low dimensional quantum field theory (II)  
20 June-9 July 2005, Asia-Pacific Center for Theoretical Physics, Pohang, Korea
Title: Casimir force between planes as a boundary finite size effect
2003 1st EUCLID Annual Meeting on Integrable Models and Applications: from Strings to Condensed Matter  
15-20 September 2003, Galileo Galilei Institute for Theoretical Physics, Florence, Italy
Plenary talk: On the perturbative formulation of quantum field theory with boundary
2001 NATO Advanced Research Workshop on Statistical Field Theories
18-23 June 2001, Villa Olmo (Como, Italy)
Title: Sine-Gordon with Neumann boundary condition: the spectrum of boundary states
2000 4th Informal UK Meeting on Integrable Systems and Conformal Field Theory
24-25 March 2000, International Centre for Mathematical Sciences, Edinburgh, UK
Title: Nonlinear Integral Equations and Integrable Models


Some recent invited seminars and colloquia

2017 String Theory Seminar, 2nd February 2017
Department of Physics, Queen Mary University of London
Title: Particle formation and ordering in strongly correlated systems: a 1+1D model of QCD
2016 Particle Physics Seminar, 9th March 2016
Institute of Physics, Eötvös University, Budapest
Title: Particle Formation and Ordering in Strongly Correlated Fermionic Systems: Solving a Model of Quantum Chromodynamics
2015 Particle Physics Seminar, 4th March 2015
Institute of Physics, Eötvös University, Budapest
Title: Form factor relocalisation and interpolating renormalisation group flows from the staircase model
2015 HAS Institute of Nuclear Physics, Debrecen
27th April 2015
Title: Correlations after quantum quenches in the XXZ spin chain: Failure of the Generalized Gibbs Ensemble
2015 HAS Rényi Institute of Mathematics, Budapest
24th April/8th May, 2015
Title: An Introduction to WZNW conformal field theories I-II
2015 Dublin Area Theoretical Physics Colloquium
School of Mathematics, Trinity College Dublin, 4th February 2015
Title: Form factors in finite volume
2015 Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste
Joint ICTP/SISSA Seminar on Statistical Field Theory, 30th January 2015
Title: Form factor relocalisation and interpolating renormalisation group flows from the staircase model
2014 Nanophysics Seminar
Eötvös University, 15th December, 2014
Title: Correlations after quantum quenches in the XXZ spin chain: Failure of the Generalized Gibbs Ensemble
2014 CERN TH String Theory Seminar, 20th May 2014
Theory Division, CERN, Geneva, Switzerland
Title: TCSA for beginners
2013 Particle Physics Seminar, 20th March 2013
Institute of Physics, Eötvös University, Budapest
Title: Asymptotic scattering of the quantum Potts spin chain and the continuum limit
2012 Institute for Theoretical Physics (ITFA), University of Amsterdam
12th June 2012
Title: Form factors in finite volume and finite temperature correlators
2012 Department of Mathematics, King's College London
1st November 2012
Title: Finite temperature correlators in integrable QFT
2012 North British Mathematical Physics Seminar, Durham University
27th October 2012
Title: Finite temperature correlators in integrable QFT
2012 HAS Institute of Nuclear Physics, Debrecen
24th April 2012
Title: Form factors in finite volume and finite temperature correlators
2012 Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste
Joint ICTP/SISSA Seminar on Statistical Field Theory
27th March 2012
Title: Form factors in finite volume: recent developments
2009 Centre for Mathematical Science, City University London
Mathematical Research Seminar
31st March 2009
Title: Solitons and topological sectors in nonintegrable quantum field theories
2009 Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste
Joint ICTP/SISSA Seminar on Statistical Field Theory
20th January 2009
Title: Form factors in finite volume and finite temperature correlators
2006 Université Pierre et Marie Curie - Paris 6 (Jussieu)
Laboratoire de Physique Théorique et Hautes Énergies
24th November 2006
Title: Correlation functions of boundary operators: the boundary form factor program
2006 Séminaires de Physique Mathématique
Service de Physique Théorique, CEA--Saclay
20th November 2006
Title: Characterization of resonances using finite size effects
2001 Centre for Particle Theory, Deparment of Mathematics, Durham University
14th November 2001
Title: Sine-Gordon model with a boundary
2000 Meeting on
Methods and Applications of Integrable Boundary QFT
Centre for Particle Theory, Deparment of Mathematics, Durham University, Durham, UK
26th February 2000
Title: The DdV nonlinear integral equation and finite size spectra in IQFT


Other talks at international conferences/workshops

2016 Quantum Integrable Models in and out of Equilibrium  
11-15 January 2016, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK
Title: Initial states in integrable quantum field theory quenches from an integral equation hierarchy
2014 Workshop on Mathematical physics of non-equilibrium quantum systems
18-19 December, 2014, King's College London, London, UK
Title: Correlations after quantum quenches in the XXZ spin chain: Failure of the Generalized Gibbs Ensemble
2011 8th Bologna workshop on CFT and Integrable Model
12-15 September, 2011, INFN Sezione di Bologna, Bologna, Italy
Title: Thermal correlators in integrable models
2007 QFEXT07: Workshop on Quantum Field Theory under External Conditions  
17-21 September 2007, Institut für Theoretische Physik, Universität Leipzig, Leipzig , Germany
Title: Casimir effect in the boundary state formalism
2006 7th Bologna workshop on CFT and Integrable Model
5-8 July 2006, INFN Sezione di Bologna, Bologna, Italy
Title: On the boundary form factor program
2000 John Hopkins Workshop on Nonperturbative QFT Methods and Their Applications
19-21 August 2000, Bolyai College, Eötvös University, Budapest, Hungary
Title: Nonperturbative Analysis of the Two-Frequency Sine-Gordon Model
2000 TMR Summer School on Recent Advances and Applications of Conformal Field Theory
22-26 May 2000, Sete, France
Title: k-Folded Sine-Gordon Theory in Finite Volume
1998 2nd annual TMR conference on Integrability, Nonperturbative Effects and Symmetry in Quantum Field Theory
21-25 September 1998, Department of Mathematics, Durham University, Durham, UK
Title: Excited State Scaling Functions in Sine-Gordon Theory
1997 3rd Bologna workshop on CFT and Integrable Models
1-4 October 1997, INFN Sezione di Bologna, Bologna, Italy
Title: Scattering Amplitudes in Imaginary Coupled g2(1) and d4(3) Toda Field Theories
1996 Triangle Seminar on Particle Physics
November 1996, Universität Wien, Vienna, Austria
Title: On the Relation Between Φ(1,2) and Φ(1,5) Perturbations of Minimal Models
1996 Eötvös School and Workshop on Conformal Field Theory and Integrable Models
13-21 August 1996, Bolyai College, Eötvös University, Budapest, Hungary
Title: Φ(1,5) Perturbations of Virasoro Minimal Models


School lectures in Hungarian

Summer School in Theoretical Physics, 1993-2008: Gyöngyöstarján, 2009-2010: Tihany, Hungary

2010 The quantum world: emergent classicality and probabilistic interpretation (1 lecture)
2009 AdS/CFT: the Maldacena Conjecture (2 lectures)
2002 AdS/CFT: the Maldacena Conjecture (3 lectures)
1997 Nontrivial Fixed Points in SUSY Gauge Theories (3 lectures)
1994 Matrix Models and 2D Quantum Gravity (2 lectures)
1993 Perturbative Finite Temperature Quantum Field Theory (5 lectures)

Balaton Summer School in Theoretical Physics

2009 Balaton Summer School "From quarks to galaxies", 5-12 July 2009, Balatongyörök
Particle Physics: Theoretical Introduction (4 lectures)


Other seminars and lectures in Hungary

2016 BME Open Day, 25 November 2016
Title: Waves, particles and wonders of the quantum world (in Hungarian)
2016 Apáczai Days, 23 March 2016
Apáczai Csere János Practice School, Budapest
Title: Alice in Wonderland: the world of particles (in Hungarian)
2016 Theoretical Physics Seminar
Department of Theoretical Physics, Budapest University of Technology and Economics
March 11, 2016
Title: Particle Formation and Ordering in Strongly Correlated Fermionic Systems: Solving a Model of Quantum Chromodynamics
2015 Apáczai Days, 1 April 2015
Apáczai Csere János Practice School, Budapest
Title: Polarized light (light as you never saw before) (in Hungarian)
2014 Theoretical Physics Seminar
Department of Theoretical Physics, Budapest University of Technology and Economics
October 28, 2014
Title: Correlations after quantum quenches in the XXZ spin chain: Failure of the Generalized Gibbs Ensemble
2012 Particle Physics Seminar, 11th April 2012
Institute of Physics, Eötvös University, Budapest
Title: Excited state boundary entropy (g-)functions
2012 Hungarian Skeptic Society's Club Meeting, 21st February 2012
Title: "Quo vadis, theoria chordarum?" – status and prespectives of string theory (in Hungarian)
2012 Particle Physics Seminar, 15th February 2012
Institute of Physics, Eötvös University, Budapest
Title: Determination of resonances and matrix elements in finite volume: anomalous exponential corrections
2011 Ortvay Colloquium, 17th November 2011
Institute of Physics, Eötvös University, Budapest
Title: Quantum field theory in two dimensions (in Hungarian)
2011 Particle Physics Seminar, 12th October 2011
Institute of Physics, Eötvös University, Budapest
P. Forgács, A. Patkós, G. Takács, G. Cynolter, A. Jakovác:
Faster than light? Theoretical considerations
2010 Particle Physics Seminar, 6th October 2010
Institute of Physics, Eötvös University, Budapest
Title: Form factor expansion for thermal correlators
2010 Particle Physics Seminar, 25th November 2010
Institute of Physics, Eötvös University, Budapest
Title: Gravity as an entropic force
2010 Theoretical Physics Seminar, 24th September 2010
Research Institute for Particle and Nuclear Physics, Budapest
Title: Gravity as entropic force
2010 Seminar of the Hungarian CMS Group, 26th April and 10th May 2010
Research Institute for Particle and Nuclear Physics, Budapest
Title: Cosmology and the MSSM: theoretical background and present limits
2010 Seminar of the Dept. of Theoretical Physics, 23rd April 2010
Institute of Physics, Budapest University of Technology and Economics, Budapest
Title: Form factor expansion of finite temperature correlators
2009 Particle Physics Seminar, 16th September 2009
Institute of Physics, Eötvös University, Budapest
Title: Form factor perturbation theory in nonintegrable models: a systematic expansion based on finite size effects
2009 Particle Physics Seminar, 13th May 2009
Institute of Physics, Eötvös University, Budapest
Title: Effective Potential and Topological Excitations in Nonintegrable Field Theories
2008 Ortvay Colloquium, 4th December 2008
Institute of Physics, Eötvös University, Budapest
Title: Casimir Effect and the Physical Vacuum
2008 Mathematics/Physics Seminar, 9th October 2008
Eötvös College, Budapest
Title: Vacuum energy: the Casimir effect and beyond
2007 Particle Physics Seminar, 17th October 2007
Institute of Physics, Eötvös University, Budapest
Title: Finite Temperature Correlators in Integrable Quantum Field Theories
2004 Particle Physics Seminar, 13th October 2004
Institute of Physics, Eötvös University, Budapest
Title: Finite Size Effects in Boundary Quantum Field Theories

Linkek

PhD supervisor page (Hungarian Doctoral Council)

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