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The use of multi-particle entangled states has the potential to drastically increase the sensitivity of atom interferometers and atomic clocks. The Twist-and-Turn (TNT) Hamiltonian can create multi-particle entanglement much more rapidly…

Quantum Physics · Physics 2018-05-29 Safoura S. Mirkhalaf , Samuel P. Nolan , Simon A. Haine

Molecular machines described in this paper are meant to be such molecular systems that make use of conformational mobility (i.e. hindered rotation around chemical bonds and molecular construction deformations with formation and breakage of…

Chemical Physics · Physics 2007-05-23 Ye. V. Tourleigh , K. V. Shaitan

We study the coupled rotation-vibration levels of a hydrogen molecule in a confining potential with cylindrical symmetry. We include the coupling between rotations and translations and show how this interaction is essential to obtain the…

Materials Science · Physics 2009-11-10 Taner Yildirim , A. Brooks Harris

We investigate the influence of global rotation on the chemical freeze-out parameters in ultra-relativistic heavy-ion collisions. Within the framework of the hadron resonance gas (HRG) model, the freeze-out parameters are determined using…

High Energy Physics - Phenomenology · Physics 2026-03-31 Nandita Padhan , Kshitish Kumar Pradhan , Arghya Chatterjee , Raghunath Sahoo

We study the role of active coupling on the transport properties of homogeneously charged macromolecules in an infinitely dilute solution. An enzyme becomes actively bound to a segment of the macromolecule, exerting an electrostatic force…

Soft Condensed Matter · Physics 2024-05-24 Tapas Singha , Siao-Fong Li , Murugappan Muthukumar

Monosubstituted nitrotoluenes serve as important model compounds for nitroaromatic energetic molecules such as trinitrotoluene. This work investigates the ultrafast nuclear dynamics of 3- and 4-nitrotoluene radical cations using femtosecond…

Chemical Physics · Physics 2018-04-10 Derrick Ampadu Boateng , Gennady L. Gutsev , Puru Jena , Katharine Moore Tibbetts

We investigate the spin dynamics of a Nitrogen-Vacancy (NV) center contained in an individual diamond nanocrystal in the presence of continuous microwave excitation. Upon periodic reversal of the microwave phase, we observe a train of…

Mesoscale and Nanoscale Physics · Physics 2011-10-12 Abdelghani Laraoui , Carlos A. Meriles

The Hamiltonian Mean Field (HMF) model of coupled inertial, Hamiltonian rotors is a prototype for conservative dynamics in systems with long-range interactions. We consider the case where the interactions between the rotors are governed by…

Statistical Mechanics · Physics 2016-02-09 Yogesh S. Virkar , Juan G. Restrepo , James D. Meiss

We optically drive a microsphere at constant speed through entangled actin networks of 0.2 - 1.4 mg/ml at rates faster than the critical rate controlling the onset of a nonlinear response. By measuring the resistive force exerted on the…

Soft Condensed Matter · Physics 2016-09-28 Bekele Gurmessa , Robert Fitzpatrick , Tobias T. Falzone , Rae M. Robertson-Anderson

We study the out-of-equilibrium properties of the antiferromagnetic Hamiltonian Mean-Field model at low energy. In this regime, the Hamiltonian dynamics exhibits the presence of a stationary state where the rotators are gathered in a…

Statistical Mechanics · Physics 2021-11-10 Arthur Vesperini , Roberto Franzosi , Stefano Ruffo , Andrea Trombettoni , Xavier Leoncini

We study the classical dynamics of resonantly modulated large-spin systems in a strong magnetic field. We show that these systems have special symmetry. It leads to characteristic nonlinear effects. They include abrupt switching between…

Mesoscale and Nanoscale Physics · Physics 2008-02-19 C. Hicke , M. I. Dykman

We address the double hydrogen transfer (DHT) dynamics of the porphycene molecule: A complex paradigmatic system where the making and breaking of H-bonds in a highly anharmonic potential energy surface requires a quantum mechanical…

Chemical Physics · Physics 2019-02-05 Yair Litman , Jeremy O. Richardson , Takashi Kumagai , Mariana Rossi

Strong correlations, multiple lattice degrees of freedom, and the ease of doping make complex oxides a source of great research interest. Complex oxide heterointerfaces break inversion symmetry and can host a two dimensional carrier gas,…

Strongly Correlated Electrons · Physics 2018-08-15 V. V. Bal , Z. Huang , K. Han , Ariando , T. Venkatesan , V. Chandrasekhar

In an effort to understand the low temperature behavior of recently synthesized molecular magnets we present numerical evidence for the existence of a rotational band in systems of quantum spins interacting with nearest-neighbor…

Materials Science · Physics 2009-10-31 J. Schnack , Marshall Luban

Understanding surface-driven transport is of paramount importance from the perspective of biological applications and the synthesis of microfluidic devices. In this work, we develop an analysis of a local inversion symmetry broken fluid…

Fluid Dynamics · Physics 2026-05-05 Aakash Anand , A. Bhattacharyay

Nonlinearities can have a profound influence on the dynamics and equilibrium properties of discrete lattice systems. The simple case of two coupled modes with self-nonlinearities gives rise to the rich bosonic Josephson effects. In…

An effective Hamiltonian is considered for hydrogen bonding between two molecules due to the quantum mechanical interaction between the orbitals of the H-atom and the donor and acceptor atoms in the molecules. The Hamiltonian acts on two…

Chemical Physics · Physics 2012-04-03 Ross H. McKenzie

We investigate dynamical heterogeneities in the collective relaxation of a concentrated microgel system, for which the packing fraction can be conveniently varied by changing the temperature. The packing fraction dependent mechanical…

Soft Condensed Matter · Physics 2011-05-31 David A. Sessoms , Irmgard Bischofberger , Luca Cipelletti , Véronique Trappe

We introduce and analyze a model for the transport of particles or energy in extended lattice systems. The dynamics of the model acts on a discrete phase space at discrete times but has nonetheless some of the characteristic properties of…

Mathematical Physics · Physics 2015-06-12 Raphael Lefevere

Hydrogen is one of the few molecules which has been incarcerated in the molecular cage of C$_{60}$ and forms endohedral supramolecular complex H$_2$@C$_{60}$. In this confinement hydrogen acquires new properties. Its translational motion…