On quantum quenches at one loop

Abstract We study global quenches in a number of interacting quantum field theory models away from the conformal regime. We conduct a perturbative renormalization at one-loop level and track the modifications of the quench protocol induced by the renormalization group flow. The scaling of various ob...

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Main Authors:	Mikhail Goykhman, Tom Shachar, Michael Smolkin
Format:	Article
Language:	English
Published:	SpringerOpen 2019-01-01
Series:	Journal of High Energy Physics
Subjects:	Conformal Field Theory Renormalization Group Effective Field Theories Nonperturbative Effects
Online Access:	http://link.springer.com/article/10.1007/JHEP01(2019)022

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spelling	doaj-1a5a004b547344f7ae87313ef0b4c0032020-11-25T02:04:09ZengSpringerOpenJournal of High Energy Physics1029-84792019-01-012019112210.1007/JHEP01(2019)022On quantum quenches at one loopMikhail Goykhman0Tom Shachar1Michael Smolkin2The Racah Institute of Physics, The Hebrew University of JerusalemThe Racah Institute of Physics, The Hebrew University of JerusalemThe Racah Institute of Physics, The Hebrew University of JerusalemAbstract We study global quenches in a number of interacting quantum field theory models away from the conformal regime. We conduct a perturbative renormalization at one-loop level and track the modifications of the quench protocol induced by the renormalization group flow. The scaling of various observables at early times is evaluated in the regime of rapid quench rates, with a particular emphasis placed on the leading order effects that cannot be recovered using the finite order conformal perturbation theory. We employ the canonical ideas of effective action to verify our results and discuss a potential route towards understanding the late time dynamics.http://link.springer.com/article/10.1007/JHEP01(2019)022Conformal Field TheoryRenormalization GroupEffective Field TheoriesNonperturbative Effects
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Mikhail Goykhman Tom Shachar Michael Smolkin
spellingShingle	Mikhail Goykhman Tom Shachar Michael Smolkin On quantum quenches at one loop Journal of High Energy Physics Conformal Field Theory Renormalization Group Effective Field Theories Nonperturbative Effects
author_facet	Mikhail Goykhman Tom Shachar Michael Smolkin
author_sort	Mikhail Goykhman
title	On quantum quenches at one loop
title_short	On quantum quenches at one loop
title_full	On quantum quenches at one loop
title_fullStr	On quantum quenches at one loop
title_full_unstemmed	On quantum quenches at one loop
title_sort	on quantum quenches at one loop
publisher	SpringerOpen
series	Journal of High Energy Physics
issn	1029-8479
publishDate	2019-01-01
description	Abstract We study global quenches in a number of interacting quantum field theory models away from the conformal regime. We conduct a perturbative renormalization at one-loop level and track the modifications of the quench protocol induced by the renormalization group flow. The scaling of various observables at early times is evaluated in the regime of rapid quench rates, with a particular emphasis placed on the leading order effects that cannot be recovered using the finite order conformal perturbation theory. We employ the canonical ideas of effective action to verify our results and discuss a potential route towards understanding the late time dynamics.
topic	Conformal Field Theory Renormalization Group Effective Field Theories Nonperturbative Effects
url	http://link.springer.com/article/10.1007/JHEP01(2019)022
work_keys_str_mv	AT mikhailgoykhman onquantumquenchesatoneloop AT tomshachar onquantumquenchesatoneloop AT michaelsmolkin onquantumquenchesatoneloop
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On quantum quenches at one loop

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