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Unitary evolution with fluctuations and dissipation

Journal Article · · Physical Review C
 [1];  [1];  [2]
  1. Univ. of Washington, Seattle, WA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
+ Show Author Affiliations
We illustrate an extension of the classical Langevin equation to a quantum formulation of the treatment of dissipation and fluctuations of all collective degrees of freedom with unitary evolution of a many-fermion system within an extension of the time-dependent density functional theory. Furthermore, we reveal the method by computing the distribution of fission fragment yields for 258Fm in a quantum hydrodynamic approach and a typical trajectory with full unrestricted density functional theory augmented with dissipation and fluctuations.
Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
National Energy Research Scientific Computing Center (NERSC); Swiss National Supercomputing Centre (CSCS); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division
Grant/Contract Number:
89233218CNA000001; AC02-05CH11231; AC05-00OR22725; AC52-06NA25396; FG02-97ER41014; NA0003841
OSTI ID:
1558045
Alternate ID(s):
OSTI ID: 1545475
Report Number(s):
LA-UR--18-24160
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 1 Vol. 100; ISSN 2469-9985; ISSN PRVCAN
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Time‐Dependent Density Functional Theory for Fermionic Superfluids: From Cold Atomic Gases − To Nuclei and Neutron Stars Crust journal February 2019
Fission dynamics of Pu 240 from saddle to scission and beyond journal September 2019
Time-Dependent Density Functional Theory for Fermionic Superfluids: from Cold Atomic Gases, to Nuclei and Neutron Stars Crust text January 2019

Figures / Tables (4)

Figure 1(p. 6)figure Figure 1
Figure 2(p. 6)figure Figure 2
Figure 3(p. 7)figure Figure 3
Figure 4(p. 8)figure Figure 4

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS