Gradient flows without blow-up for Lefschetz thimbles

Abstract We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. We study analytic properties of these gradient flows, and confirm them by numerical tests in simple examples.

Bibliographic Details
Main Authors: Yuya Tanizaki, Hiromichi Nishimura, Jacobus J. M. Verbaarschot
Format: Article
Language:English
Published: SpringerOpen 2017-10-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP10(2017)100
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spelling doaj-bb9ebc30bf9e4376aeed74d53094edf02020-11-24T22:19:47ZengSpringerOpenJournal of High Energy Physics1029-84792017-10-0120171013110.1007/JHEP10(2017)100Gradient flows without blow-up for Lefschetz thimblesYuya Tanizaki0Hiromichi Nishimura1Jacobus J. M. Verbaarschot2RIKEN BNL Research Center, Brookhaven National LaboratoryRIKEN BNL Research Center, Brookhaven National LaboratoryDepartment of Physics and Astronomy, Stony Brook UniversityAbstract We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. We study analytic properties of these gradient flows, and confirm them by numerical tests in simple examples.http://link.springer.com/article/10.1007/JHEP10(2017)100Lattice field theory simulation
collection DOAJ
language English
format Article
sources DOAJ
author Yuya Tanizaki
Hiromichi Nishimura
Jacobus J. M. Verbaarschot
spellingShingle Yuya Tanizaki
Hiromichi Nishimura
Jacobus J. M. Verbaarschot
Gradient flows without blow-up for Lefschetz thimbles
Journal of High Energy Physics
Lattice field theory simulation
author_facet Yuya Tanizaki
Hiromichi Nishimura
Jacobus J. M. Verbaarschot
author_sort Yuya Tanizaki
title Gradient flows without blow-up for Lefschetz thimbles
title_short Gradient flows without blow-up for Lefschetz thimbles
title_full Gradient flows without blow-up for Lefschetz thimbles
title_fullStr Gradient flows without blow-up for Lefschetz thimbles
title_full_unstemmed Gradient flows without blow-up for Lefschetz thimbles
title_sort gradient flows without blow-up for lefschetz thimbles
publisher SpringerOpen
series Journal of High Energy Physics
issn 1029-8479
publishDate 2017-10-01
description Abstract We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. We study analytic properties of these gradient flows, and confirm them by numerical tests in simple examples.
topic Lattice field theory simulation
url http://link.springer.com/article/10.1007/JHEP10(2017)100
work_keys_str_mv AT yuyatanizaki gradientflowswithoutblowupforlefschetzthimbles
AT hiromichinishimura gradientflowswithoutblowupforlefschetzthimbles
AT jacobusjmverbaarschot gradientflowswithoutblowupforlefschetzthimbles
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