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Title: Gradient flows without blow-up for Lefschetz thimbles

We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. Here, we study analytic properties of these gradient flows, and confirm them by numerical tests in simple examples.
Authors:
ORCiD logo [1] ;  [1] ;  [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
  2. Stony Brook Univ., NY (United States). Dept. of Physics and Astronomy
Publication Date:
Report Number(s):
RBRC-1241; BNL-114873-2017-JAAM
Journal ID: ISSN 1029-8479
Grant/Contract Number:
SC0012704
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 10; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
OSTI Identifier:
1425163