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@ARTICLE{Hildenbrand:910662,
author = {Hildenbrand, Fabian and Elhatisari, Serdar and Lähde, Timo
A. and Lee, Dean and Meißner, Ulf-G.},
title = {{L}attice {M}onte {C}arlo simulations with two impurity
worldlines},
journal = {The European physical journal / A},
volume = {58},
number = {9},
issn = {1434-6001},
address = {Heidelberg},
publisher = {Springer},
reportid = {FZJ-2022-04035},
pages = {167},
year = {2022},
note = {This work was supported in part by the European Research
Council (ERC) under the European Union’s Horizon 2020
research and innovation programme (grant agreement No.
101018170), by DFG and NSFC through funds provided to the
Sino-German CRC 110 “Symmetries and the Emergence of
Structure in QCD” (NSFC Grant No. 11621131001, DFG Grant
No. TRR110). The work of UGM was supported in part by
VolkswagenStiftung (Grant no. 93562) and by the CAS
President’s International Fellowship Initiative (PIFI)
(Grant No. 2018DM0034). The work of DL is supported in part
by the U.S. Department of Energy (Grant No. DE-SC0018638)
and the Nuclear Computational Low- Energy Initiative
(NUCLEI) SciDAC project.},
abstract = {We develop the impurity lattice Monte Carlo formalism, for
the case of two distinguishable impurities in a bath of
polarized fermions. The majority particles are treated as
explicit degrees of freedom, while the impurities are
described by worldlines. The latter serve as localized
auxiliary fields, which affect the majority particles. We
apply the method to non-relativistic three-dimensional
systems of two impurities and a number of majority particles
where both the impurity-impurity interaction and the
impurity-majority interaction have zero range. We consider
the case of an attractive impurity-majority interaction, and
we study the formation and disintegration of bound states as
a function of the impurity-impurity interaction strength. We
also discuss the potential applications of this formalism to
other quantum many-body systems.},
cin = {IAS-4},
ddc = {530},
cid = {I:(DE-Juel1)IAS-4-20090406},
pnm = {5111 - Domain-Specific Simulation Data Life Cycle Labs
(SDLs) and Research Groups (POF4-511) / DFG project
196253076 - TRR 110: Symmetrien und Strukturbildung in der
Quantenchromodynamik (196253076) / Nuclear Lattice
Simulations $(jara0015_20200501)$},
pid = {G:(DE-HGF)POF4-5111 / G:(GEPRIS)196253076 /
$G:(DE-Juel1)jara0015_20200501$},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000849216000002},
doi = {10.1140/epja/s10050-022-00821-8},
url = {https://juser.fz-juelich.de/record/910662},
}