Theory of phonon-assisted adsorption in graphene: many-body infrared dynamics
S Sengupta - Physical Review B, 2019 - APS
We devise a theory of adsorption of low-energy atoms on suspended graphene membranes
maintained at low temperature based on a model of atom-acoustic phonon interactions. Our …
maintained at low temperature based on a model of atom-acoustic phonon interactions. Our …
Cavity mode dephasing via the optomechanical interaction with an acoustic environment
Q Xu, MP Blencowe - Physical Review A, 2021 - APS
We consider an optomechanical system comprising a single cavity mode and a dense
spectrum of acoustic modes and solve for the quantum dynamics of initial cavity mode Fock …
spectrum of acoustic modes and solve for the quantum dynamics of initial cavity mode Fock …
Infrared problem in quantum acoustodynamics at finite temperature
DP Clougherty - Physical Review B, 2017 - APS
The phonon-assisted sticking rate of slow moving atoms impinging on an elastic membrane
at nonzero temperature is studied analytically using a model with linear atom-phonon …
at nonzero temperature is studied analytically using a model with linear atom-phonon …
Radiative corrections to quantum sticking on graphene
S Sengupta, DP Clougherty - Physical Review B, 2017 - APS
We study the sticking rate of atomic hydrogen to suspended graphene using four different
methods that include contributions from processes with multiphonon emission. We compare …
methods that include contributions from processes with multiphonon emission. We compare …
ASPECTS ON THE QUANTUM DYNAMICS OF A SYSTEM COUPLED TO A BOSONIC ENVIRONMENT
Q Xu - 2022 - digitalcommons.dartmouth.edu
In this work we study various aspects of the quantum dynamics for a system coupled to a
Bosonic environment, which is described by a collection of quantum harmonic oscillators or …
Bosonic environment, which is described by a collection of quantum harmonic oscillators or …
Infrared Problem in Cold Atom Quantum Physisorption on 2D Materials
S Sengupta, DP Clougherty - Journal of Physics: Conference …, 2018 - iopscience.iop.org
Results from four different approximations to the phonon-assisted quantum adsorption rate
for cold atoms on a 2D material are compared and contrasted:(1) a loop expansion (LE) …
for cold atoms on a 2D material are compared and contrasted:(1) a loop expansion (LE) …