Incorporating fluctuations and dynamics in self-consistent field theories for polymer blends

M Müller, F Schmid - Advanced computer simulation approaches for soft …, 2005 - Springer
We review various methods to investigate the statics and the dynamics of collective
composition fluctuations in dense polymer mixtures within fluctuating-field approaches. The …

Multiscale modeling of polymer materials using field-theoretic methodologies: a survey about recent developments

SA Baeurle - Journal of Mathematical Chemistry, 2009 - Springer
Understanding the chemistry and physics of polymer systems challenges scientists from a
wide spectrum of research areas, ranging from polymer science to molecular electronic …

Monte Carlo simulations on the Lefschetz thimble: Taming the sign problem

M Cristoforetti, F Di Renzo, A Mukherjee… - Physical Review D …, 2013 - APS
We present the first practical Monte Carlo calculations of the recently proposed Lefschetz
thimble formulation of quantum field theories. Our results provide strong evidence that the …

Does the complex Langevin method give unbiased results?

LL Salcedo - Physical Review D, 2016 - APS
We investigate whether the stationary solution of the Fokker-Planck equation of the complex
Langevin algorithm reproduces the correct expectation values. When the complex Langevin …

Can the ring polymer molecular dynamics method be interpreted as real time quantum dynamics?

S Jang, AV Sinitskiy, GA Voth - The Journal of Chemical Physics, 2014 - pubs.aip.org
The ring polymer molecular dynamics (RPMD) method has gained popularity in recent years
as a simple approximation for calculating real time quantum correlation functions in …

Molecular modeling of thermal and mechanical properties of elastomers: a review

KC Jha, M Tsige - Rubber Chemistry and Technology, 2013 - meridian.allenpress.com
Elastomers have varied applications from adhesives, sealants, encapsulants, and coatings
to specialty usage in electronics, aviation, optical, and communications industries due to …

Iterative Monte Carlo for quantum dynamics

V Jadhao, N Makri - The Journal of chemical physics, 2008 - pubs.aip.org
We present a fully quantum mechanical methodology for calculating complex-time
correlation functions by evaluating the discretized path integral expression iteratively on a …

The existence of positive representations for complex weights

LL Salcedo - Journal of Physics A: Mathematical and Theoretical, 2007 - iopscience.iop.org
The necessity of computing integrals with complex weights over manifolds with a large
number of dimensions, eg, in some field theoretical settings, poses a problem for the use of …

Gibbs sampling of complex-valued distributions

LL Salcedo - Physical Review D, 2016 - APS
A new technique is explored for the Monte Carlo sampling of complex-valued distributions.
The method is based on a heat bath approach where the conditional probability is replaced …

Challenging scaling laws of flexible polyelectrolyte solutions with effective renormalization concepts

SA Baeurle, EA Nogovitsin - Polymer, 2007 - Elsevier
Recasting a many-particle problem in a field-theoretic formalism is nowadays a well-
established theoretical tool used by scientists across a wide spectrum of research areas …