165 citations · 633 across the 36 of their papers we have counts for
36 papers
Free-energy landscapes and insertion pathways for peptides in membrane environment
Ganga P. Sharma, Aaron C. Meyer, Suhail Habeeb +2
Free-energy landscapes for short peptides -- specifically for variants of the pH Low Insertion Peptide (pHLIP) -- in the heterogeneous environment of a lipid bilayer or cell membra…
Mechanical response to tension and torque of molecular chains via statistically interacting particles associated with extension, contraction, twist, and supercoiling
Aaron C. Meyer, Michael Karbach, Ping Lu +1
A methodology for the statistical mechanical analysis of polymeric chains under tension introduced previously is extended to include torque. The response of individual bonds betwee…
Jammed disks of two sizes and weights in a channel: Alternating sequences
Dan Liu, Gerhard Müller
Disks of two sizes and weights in alternating sequence are confined to a long and narrow channel. The axis of the channel is horizontal and its plane vertical. The channel is close…
Self-gravitating clusters of Fermi-Dirac gas with planar, cylindrical, or spherical symmetry: evolution of density profiles with temperature
Michael Kirejczyk, Gerhard Müller, Pierre-Henri Chavanis
We calculate density profiles for self-gravitating clusters of an ideal Fermi-Dirac gas with nonrelativistic energy-momentum relation and macroscopic mass at thermal equilibrium. O…
Self-gravitating clusters of Bose-Einstein gas with planar, cylindrical, or spherical symmetry: gaseous density profiles and onset of condensation
Michael Kirejczyk, Gerhard Müller, Pierre-Henri Chavanis
We calculate density profiles for self-gravitating clusters of an ideal Bose-Einstein gas with nonrelativistic energy-momentum relation and macroscopic mass at thermal equilibrium.…
Density profiles of a self-gravitating lattice gas in one, two, and three dimensions
Benaoumeur Bakhti, Divana Boukari, Michael Karbach +2
We consider a lattice gas in spaces of dimensionality . The particles are subject to a hardcore exclusion interaction and an attractive pair interaction that sat…
Spin flip loss in magnetic confinement of ultracold neutrons for neutron lifetime experiments
A. Steyerl, K. K. H. Leung, C. Kaufman +2
We analyze the spin flip loss for ultracold neutrons in magnetic bottles of the type used in experiments aiming at a precise measurement of the neutron lifetime, extending the one-…
Monodisperse hard rods in external potentials
Benaoumeur Bakhti, Michael Karbach, Philipp Maass +1
We consider linear arrays of cells of volume populated by monodisperse rods of size , , subject to hardcore exclusion interaction. Each…
Geometric phases in electric dipole searches with trapped spin-1/2 particles in general fields and measurement cells of arbitrary shape with smooth or rough walls
R. Golub, A. Steyerl, C. Kaufman +1
The important role of geometric phases in searches for a permanent electric dipole moment of the neutron, using Ramsey separated oscillatory field nuclear magnetic resonance, was f…
Coil-helix transition of polypeptide at water-lipid interface
Ganga P. Sharma, Yana K. Reshetnyak, Oleg A. Andreev +2
We present the exact solution of a microscopic statistical mechanical model for the transformation of a long polypeptide between an unstructured coil conformation and an -helix…
Calculation of geometric phases in electric dipole searches with trapped spin-1/2 particles based on direct solution of the Schrödinger equation
A. Steyerl, C. Kaufman, G. Müller +3
Pendlebury [Phys. Rev. A , 032102 (2004)] were the first to investigate the role of geometric phases in searches for an electric dipole moment (EDM)…
Interacting hard rods on a lattice: Distribution of microstates and density functionals
Benaoumeur Bakhti, Gerhard Müller, Philipp Maass
We derive exact density functionals for systems of hard rods with first-neighbor interactions of arbitrary shape but limited range on a one-dimensional lattice. The size of all rod…
Disks in a narrow channel jammed by gravity and centrifuge: profiles of pressure, mass density and entropy density
Christopher Moore, Dan Liu, Benjamin Ballnus +2
This work investigates jammed granular matter under conditions that produce heterogeneous mass distributions on a mesoscopic scale. We consider a system of identical disks that are…
Statistically interacting vacancy particles
Benaoumeur Bakhti, Michael Karbach, Philipp Maass +2
The equilibrium statistical mechanics of one-dimensional lattice gases with interactions of arbitrary range and shape between first-neighbor atoms is solved exactly on the basis of…
Ultracold neutron depolarization in magnetic bottles
A. Steyerl, C. Kaufman, G. Müller +2
We analyze the depolarization of ultracold neutrons confined in a magnetic field configuration similar to those used in existing or proposed magneto-gravitational storage experimen…
Spin flip loss in magnetic storage of ultracold neutrons
A. Steyerl, C. Kaufman, G. Müller +2
We analyze the depolarization of ultracold neutrons confined in a magnetic field configuration similar to those used in existing or proposed magneto-gravitational storage experimen…
Geometric phases in electric dipole searches with spin-1/2 particles from spin dependent Schrödinger equation
A. Steyerl, C. Kaufman, G. Müller +2
Geometric phases of trapped particles have been recognized as potential sources of false signals in experiments searching for a permanent electric dipole moment of the neutron. We…
Generalized Pauli principle for particles with distinguishable traits
Dan Liu, Jared Vanasse, Gerhard Muller +1
The s=3/2 Ising spin chain with uniform nearest-neighbor coupling, quadratic single-site potential, and magnetic field is shown to be equivalent to a system of 17 species of partic…
Interlinking motifs and entropy landscapes of statistically interacting particles
Ping Lu, Dan Liu, Gerhard Müller +1
The s=1/2 Ising chain with uniform nearest-neighbor and next-nearest-neighbor coupling is used to construct a system of floating particles characterized by motifs of up to six cons…
Taxonomy of particles in Ising spin chains
Dan Liu, Ping Lu, Gerhard Muller +1
The statistical mechanics of particles with shapes on a one-dimensional lattice is investigated in the context of the Ising chain with uniform nearest-neighbor coupling, quad…
Dynamics of quantum spin chains and multi-fermion excitation continua
O. Derzhko, T. Krokhmalskii, J. Stolze +1
We use the Jordan-Wigner representation to study dynamic quantities for the spin-1/2 XX chain in a transverse magnetic field. We discuss in some detail the properties of the four-f…
Dimer and trimer fluctuations in the s=1/2 transverse XX chain
Oleg Derzhko, Taras Krokhmalskii, Joachim Stolze +1
Exact results for the dynamic dimer and trimer structure factors of the one-dimensional s=1/2 XX model in a transverse magnetic field () are presented and discussed in…
Transition rates via Bethe ansatz for the spin-1/2 Heisenberg chain
Daniel Biegel, Michael Karbach, Gerhard Muller
We use the exact determinantal representation derived by Kitanine, Maillet, and Terras for matrix elements of local spin operators between Bethe wave functions of the one-dimension…
Quasiparticles governing the zero-temperature dynamics of the 1D spin-1/2 Heisenberg antiferromagnet in a magnetic field
Michael Karbach, Daniel Biegel, Gerhard Muller
The T=0 dynamical properties of the one-dimensional (1D) Heisenberg antiferromagnet in a uniform magnetic field are studied via Bethe ansatz for cyclic chains of sites.…