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He completed his PhD on the subject of integrable quantum field theory which he studied from 1998 to 2004 at Rutgers University (New Jersey, U.S.A.), partly funded by a four-year NSERC (Canada) fellowship and under the supervision of Professor Sergei Lukyanov. While at Rutgers, he also participated in a programme of study and research in mathematics under the supervision of Professor James Lepowsky, and had the opportunity to work in condensed matter theory with Professor Natan Andrei.
He obtained an EPSRC postdoctoral research fellowship from 2004 to 2007, spent at the Rudolf Peierls Centre for Theoretical Physics of Oxford University under the guidance of Prof. John Cardy. He was lecturer in mathematics in the theoretical physics group of Durham University from 2007 to 2009, where he started the supervision of his first PhD student in the summer of 2009.
He obtained an EPSRC First Grant in mathematics (2010-2012) and an EPSRC Standard Grant in mathematics (2016-2019), as Co-investigator with Olalla A. Castro Alvaredo (City, University of London). For one year from January 2019, he held the position of Royal Society Leverhulme Trust Senior Research Fellow and was promoted to Professor of Theoretical Physics in February 2021.
Research Interests
One of the most exciting ideas in modern science is that of emerging complex phenomena from simple fundamental laws. This beautiful idea led to many new developments in the theoretical physics of many-body systems, and is at the basis of a large variety of subjects, from fundamental particle physics to macroeconomics to life itself. In his research Benjamin studies such emerging behaviours, especially in the context of quantum and classical statistical physics, concentrating on the theoretical and mathematical aspects. He likes to obtain exact formulae and develop new methods and mathematical frameworks in order to have a good understanding of the emerging physical principles that are at play. He uses the extensive toolboxes of integrability, field theory and, recently, fluid dynamics as well as C-star algebras and functional analysis.
His early works concentrated on integrable quantum field theory, where he worked on two-dimensional critical statistical models on curved space, integrable quantum field theory at nonzero temperature, and the relation between quantum correlation functions and integrable partial differential equations. He has also developed aspects of vertex operator algebras. More recently Benjamin has studied conformal loop ensembles, conformal field theory out of equilibrium and its large-deviation theory, and quantum entanglement in many-body systems, where he co-authored the paper introducing in this area the widely used concept of branch-point twist field. Currently, he is most active both in the area of entanglement entropy and of quantum systems out of equilibrium, where he has obtained mathematically rigorous results on thermalization and generalized Gibbs ensembles. He has co-authored many of the foundation papers for the extremely active subject of generalised hydrodynamics (the hydrodynamics of integrable systems).
He obtained an EPSRC postdoctoral research fellowship from 2004 to 2007, spent at the Rudolf Peierls Centre for Theoretical Physics of Oxford University under the guidance of Prof. John Cardy. He was lecturer in mathematics in the theoretical physics group of Durham University from 2007 to 2009, where he started the supervision of his first PhD student in the summer of 2009.
He obtained an EPSRC First Grant in mathematics (2010-2012) and an EPSRC Standard Grant in mathematics (2016-2019), as Co-investigator with Olalla A. Castro Alvaredo (City, University of London). For one year from January 2019, he held the position of Royal Society Leverhulme Trust Senior Research Fellow and was promoted to Professor of Theoretical Physics in February 2021.
Research Interests
One of the most exciting ideas in modern science is that of emerging complex phenomena from simple fundamental laws. This beautiful idea led to many new developments in the theoretical physics of many-body systems, and is at the basis of a large variety of subjects, from fundamental particle physics to macroeconomics to life itself. In his research Benjamin studies such emerging behaviours, especially in the context of quantum and classical statistical physics, concentrating on the theoretical and mathematical aspects. He likes to obtain exact formulae and develop new methods and mathematical frameworks in order to have a good understanding of the emerging physical principles that are at play. He uses the extensive toolboxes of integrability, field theory and, recently, fluid dynamics as well as C-star algebras and functional analysis.
His early works concentrated on integrable quantum field theory, where he worked on two-dimensional critical statistical models on curved space, integrable quantum field theory at nonzero temperature, and the relation between quantum correlation functions and integrable partial differential equations. He has also developed aspects of vertex operator algebras. More recently Benjamin has studied conformal loop ensembles, conformal field theory out of equilibrium and its large-deviation theory, and quantum entanglement in many-body systems, where he co-authored the paper introducing in this area the widely used concept of branch-point twist field. Currently, he is most active both in the area of entanglement entropy and of quantum systems out of equilibrium, where he has obtained mathematically rigorous results on thermalization and generalized Gibbs ensembles. He has co-authored many of the foundation papers for the extremely active subject of generalised hydrodynamics (the hydrodynamics of integrable systems).
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Annales Henri Poincaréno. 1 (2024): 65-123
SCIPOST PHYSICS COREno. 1 (2024)
arXiv (Cornell University) (2023)
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PHYSICAL REVIEW LETTERSno. 2 (2023): 027101-027101
PHYSICAL REVIEW LETTERSno. 26 (2023): 263401-263401
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