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Momentum distribution of a freely expanding Lieb-Liniger gas: We numerically study free expansion of a few Lieb-Liniger bosons, which are
initially in the ground state of an infinitely deep hard-wall trap. Numerical
calculation is carried out by employing a standard Fourier transform, as
follows from the Fermi-Bose tra... | cond-mat_other |
Empirical Formula of the Absolute Value of Electrical Conductivity for
Elemental Metals and Its Interpretation By Fluctuation Dissipation Theorem: The absolute value of the electrical conductivity sigma of elemental metals
even at the room temperature range is not well theoretically understood. This
is particularly t... | cond-mat_other |
On Entropy Wind in Superfluid Helium: Generation of a quasi-stationary flow of the superfluid helium normal part in
the presence of intense first- and second-sound waves is studied. Relevant
equations are obtained. The contribution to the process of energy dissipation
at the shock front layer and of fluid viscosity is ... | cond-mat_other |
Magnetic vortex nucleation/annihilation in artificial-ferrimagnet
microdisks: The topological nature of magnetic-vortex state gives rise to peculiar
magnetization reversal observed in magnetic microdisks. Interestingly,
magnetostatic and exchange energies which drive this reversal can be
effectively controlled in art... | cond-mat_other |
Experimental determination of the dipolar field in Mn12-acetate: Crystals of the molecular magnet Mn12-acetate are known to contain a small
fraction of low- symmetry (minor) species with a small anisotropy barrier
against spin reversal. The lower barrier leads to faster magnetic relaxation
and lower coercive field. We ... | cond-mat_other |
NMR in $^3$He-B: This text contains a collection of equations useful for understanding Nuclear
Magnetic Resonance (NMR) experiments in superfluid $^3$He-B. This is a part of
my notebook where I try to describe some parts of this sophisticated system. | cond-mat_other |
Propagation of self-localised Q-ball solitons in the $^3$He universe: In relativistic quantum field theories, compact objects of interacting bosons
can become stable owing to conservation of an additive quantum number $Q$.
Discovering such $Q$-balls propagating in the Universe would confirm
supersymmetric extensions of... | cond-mat_other |
Stroboscopic aliasing in long-range interacting quantum systems: We unveil a mechanism for generating oscillations with arbitrary multiplets
of the period of a given external drive, in long-range interacting quantum
many-particle spin systems. These oscillations break discrete time translation
symmetry as in time cryst... | cond-mat_other |
Excitons in long molecular chains near the reflecting interface: We discuss coherent exciton-polariton states in long molecular chains that
are formed due to the interaction of molecular excitations with both vacuum
photons and surface excitations of the neighboring reflecting substrate. The
resonance coupling with sur... | cond-mat_other |
Electronic properties of ordered and disordered linear clusters of atoms
and molecules: The electronic properties of one-dimensional clusters of N atoms or molecules
have been studied. The model used is similar to the Kronig-Penney model with
the potential offered by each ion being approximated by an attractive delta... | cond-mat_other |
Thermodynamically consistent equilibrium properties of normal-liquid
Helium-3: The high-precision data for the specific heat C_{V}(T,V) of normal-liquid
Helium-3 obtained by Greywall, taken together with the molar volume V(T_0,P) at
one temperature T_0, are shown to contain the complete thermodynamic
information abou... | cond-mat_other |
Three comments on the Fermi gas at unitarity in a harmonic trap: In this note we consider three issues related to the unitary Fermi gas in a
harmonic trap. We present a short proof of a virial theorem, which states that
the average energy of a particle system at unitarity in a harmonic trap is
twice larger than the ave... | cond-mat_other |
Measurements on Melting Pressure, Metastable Solid Phases, and Molar
Volume of Univariant Saturated Helium Mixture: A concentration-saturated helium mixture at the melting pressure consists of
two liquid phases and one or two solid phases. The equilibrium system is
univariant, whose properties depend uniquely on temp... | cond-mat_other |
Theory of Forces Induced by Evanescent Fields: We present the theoretical foundations of the interaction of electromagnetic
evanescent fields on an object | cond-mat_other |
Anomalous Hall conductivity: local orbitals approach: A theory of the anomalous Hall conductivity based on the properties of single
site orbitals is presented. Effect of the finite electron life time is modeled
by energy fluctuations of atomic-like orbitals. Transition from the ideal Bloch
system for which the conducti... | cond-mat_other |
Photon transport in a dissipative chain of nonlinear cavities: We analyze a chain of coupled nonlinear optical cavities driven by a coherent
source of light localized at one end and subject to uniform dissipation. We
characterize photon transport by studying the populations and the photon
correlations as a function of ... | cond-mat_other |
The Effect Of Delay Times On The Optimal Velocity Traffic Flow Behavior: We have numerically investigated the effect of the delay times $\tau_f$ and
$\tau_s$ of a mixture of fast and slow vehicles on the fundamental diagram of
the optimal velocity model. The optimal velocity function of the fast cars
depends not only o... | cond-mat_other |
Generalized Mean Field Approach to a Resonant Bose-Fermi Mixture: We formulate a generalized mean-field theory of a mixture of fermionic and
bosonic atoms, in which the fermion-boson interaction can be controlled by a
Feshbach resonance. The theory correctly accounts for molecular binding
energies of the molecules in t... | cond-mat_other |
Statics and dynamics of BEC's in double square well potentials: In this paper we treat the behavior of Bose Einstein condensates in double
square well potentials, both of equal and different depths. For even depth,
symmetry preserving solutions to the relevant nonlinear Schr\"{o}dinger
equation is known, just as in the... | cond-mat_other |
Dynamical instability and domain formation in a spin-1 Bose condensate: We interpret the recently observed spatial domain formation in spin-1 atomic
condensates as a result of dynamical instability. Within the mean field theory,
a homogeneous condensate is dynamically unstable (stable) for ferromagnetic
(antiferromagne... | cond-mat_other |
Classical and quantum dynamics of a model for atomic-molecular
Bose--Einstein condensates: We study a model for a two-mode atomic-molecular Bose--Einstein condensate.
Starting with a classical analysis we determine the phase space fixed points of
the system. It is found that bifurcations of the fixed points naturally... | cond-mat_other |
Modelling turbulent flow of superfluid $^4$He past a rough solid wall in
the $T = 0$ limit: We present a numerical study, using the vortex filament model, of vortex
tangles in a flow of pure superfluid $^4$He in the $T = 0$ limit through a
channel of width $D = 1$ mm for various applied velocities $V$. The flat
chann... | cond-mat_other |
Scanning optical homodyne detection of high-frequency picoscale
resonances in cantilever and tuning fork sensors: Higher harmonic modes in nanoscale silicon cantilevers and microscale quartz
tuning forks are detected and characterized using a custom scanning optical
homodyne interferometer. Capable of both mass and f... | cond-mat_other |
A model for luminescence of localized state ensemble: A distribution function for localized carriers,
$f(E,T)=\frac{1}{e^{(E-E_a)/k_BT}+\tau_{tr}/\tau_r}$, is proposed by solving a
rate equation, in which, electrical carriers' generation, thermal escape,
recapture and radiative recombination are taken into account. Bas... | cond-mat_other |
The constitutive tensor of linear elasticity: its decompositions, Cauchy
relations, null Lagrangians, and wave propagation: In linear anisotropic elasticity, the elastic properties of a medium are
described by the fourth rank elasticity tensor C. The decomposition of C into a
partially symmetric tensor M and a partia... | cond-mat_other |
Transmodal Fabry-Pérot Resonance: Theory and Realization with Elastic
Metamaterials: We discovered a new transmodal Fabry-P\'erot resonance that one elastic-wave
mode is maximally transmitted to another when the phase difference of two
dissimilar modes through an anisotropic layer is exactly odd multiples of
{\pi}. U... | cond-mat_other |
A priori Wannier functions from modified Hartree-Fock and Kohn-Sham
equations: The Hartree-Fock equations are modified to directly yield Wannier functions
following a proposal of Shukla et al. [Chem. Phys. Lett. 262, 213-218 (1996)].
This approach circumvents the a posteriori application of the Wannier
transformation... | cond-mat_other |
Threshold for Chaos and Thermalization in One-Dimensional Mean-Field
Bose-Hubbard Model: We study the threshold for chaos and its relation to thermalization in the 1D
mean-field Bose-Hubbard model, which in particular describes atoms in optical
lattices. We identify the threshold for chaos, which is finite in the
the... | cond-mat_other |
Thermodynamic Measurements in a Strongly Interacting Fermi Gas: We conduct a series of measurements on the thermodynamic properties of an
optically-trapped strongly interacting Fermi gas, including the energy $E$,
entropy $S$, and sound velocity $c$. Our model-independent measurements of $E$
and $S$ enable a precision ... | cond-mat_other |
Shear-strain-induced Spatially Varying Super-lattice Structures on
Graphite studied by STM: We report on the Scanning Tunneling Microscope (STM) observation of linear
fringes together with spatially varying super-lattice structures on (0001)
graphite (HOPG) surface. The structure, present in a region of a layer bound... | cond-mat_other |
Highly sensitive and broadband carbon nanotube radio-frequency
single-electron transistor: We have investigated radio-frequency single-electron transistor (RF-SET)
operation of single-walled carbon nanotube quantum dots in the strong tunneling
regime. At 4.2 K and carrier frequency 754.2 MHz, we reach a charge sensit... | cond-mat_other |
Counterflow quantum turbulence in a square channel under the normal
fluid with a Poiseuille flow: We perform a numerical analysis of superfluid turbulence produced by thermal
counterflow in He II by using the vortex filament model. Counterflow in a low
aspect ratio channel is known to show the transition from laminar... | cond-mat_other |
A new ripplon branch in He II: We analyse the dispersion relation of ripplons, on the surface of superfluid
helium, using the dispersive hydrodynamics approach and find a new ripplon
branch. We obtain analytical equation for the dispersion relation and analytic
expressions for the limiting cases. We discuss where rippl... | cond-mat_other |
Strong magnetic coupling between an electronic spin qubit and a
mechanical resonator: We describe a technique that enables a strong, coherent coupling between a
single electronic spin qubit associated with a nitrogen-vacancy impurity in
diamond and the quantized motion of a magnetized nano-mechanical resonator tip.
T... | cond-mat_other |
The cold atom Hubbard toolbox: We review recent theoretical advances in cold atom physics concentrating on
strongly correlated cold atoms in optical lattices. We discuss recently
developed quantum optical tools for manipulating atoms and show how they can be
used to realize a wide range of many body Hamiltonians. Then ... | cond-mat_other |
Higher-order vortex solitons, multipoles, and supervortices on a square
optical lattice: We predict new generic types of vorticity-carrying soliton complexes in a
class of physical systems including an attractive Bose-Einstein condensate in a
square optical lattice (OL) and photonic lattices in photorefractive media.... | cond-mat_other |
Bose-Einstein condensate in a quartic potential: Static and Dynamic
properties: In this paper, we present a theoretical study of a Bose-Einstein condensate
of interacting bosons in a quartic trap in one, two, and three dimensions.
Using Thomas-Fermi approximation, suitably complemented by numerical solutions
of the G... | cond-mat_other |
Optical Tamm states in one-dimensional magnetophotonic structures: We demonstrate the existence of a spectrally narrow localized surface state,
the so-called optical Tamm state, at the interface between a 1D magnetophotonic
and non-magnetic photonic crystals. The state is spectrally located inside the
photonic band gap... | cond-mat_other |
Quasiparticle universes in Bose-Einstein condensates: Recent developments in simulating fundamental quantum field theoretical
effects in the kinematical context of analogue gravity are reviewed.
Specifically, it is argued that a curved space-time generalization of the
Unruh-Davies effect -- the Gibbons-Hawking effect i... | cond-mat_other |
Evaporative Cooling of a Photon Fluid to Quantum Degeneracy: We demonstrate that the process of evaporative cooling, as associated with
the cooling of atomic gases, can also be employed to condense a system of
photons giving rise to coherent properties of the light. The system we study
consists of photons in a high-qua... | cond-mat_other |
Entangling two defects via a surrounding crystal: We theoretically show how two impurity defects in a crystalline structure can
be entangled through coupling with the crystal. We demonstrate this with a
harmonic chain of trapped ions in which two ions of a different species are
embedded. Entanglement is found for suffi... | cond-mat_other |
Quantum oscillations in a two-mode atom-molecule Bose-Einstein
condensate -- the discrete WKB approach: Quantum effects in a system of coupled atomic and molecular Bose-Einstein
condensates in the framework of a two-mode model are studied numerically and
analytically, using the discrete WKB approach. In contrast to t... | cond-mat_other |
Radial quadrupole and scissors modes in trapped Fermi gases across the
BCS phase transition: The excitation spectra of the radial quadrupole and scissors modes of
ultracold Fermi gases in elongated traps are studied across the BCS
superfluid-normal phase transition in the framework of a transport theory for
quasipart... | cond-mat_other |
Hall Viscosity and the Acoustic Faraday Effect: For more than 20 years, observation of the non-dissipative Hall viscosity in
the quantum Hall effect has been impeded by the difficulty to probe directly
the momentum of the two-dimensional electron gas. However, in three-dimensional
systems such as superfluid ${}^{3}\mat... | cond-mat_other |
A simple model of Feshbach molecules: We present a two-channel model to describe the quantum state of two atoms
with finite-range interaction near a Feshbach resonance. This model provides a
simple picture to analytically derive the wave function and the binding energy
of the molecular bound state. The results agree ex... | cond-mat_other |
N-particle Bogoliubov vacuum state: We consider the Bogoliubov vacuum state in the number-conserving Bogoliubov
theory proposed by Castin and Dum [Phys. Rev. A 57, 3008 (1998)]. We show that
in the particle representation the vacuum can be written in a simple diagonal
form. The vacuum state can describe the stationary ... | cond-mat_other |
A simple variational approach for an interacting Fermi trapped gas: Quantum states of a two-component Fermi trapped gas are described by
introducing an effective trap frequency, determined via variational techniques.
Closed expressions for the contribution of a contact interaction potential to
the total energy and the ... | cond-mat_other |
Implications of experimental probes of the RG-flow in quantum Hall
systems: We review the implications of the scaling data for the emergent symmetry of
the quantum Hall system. The location of the fixed points in the conductivity
plane is consistent with the global, non-Abelian discrete symmetry $\Gamma
_{0}(2)$, and... | cond-mat_other |
Entangling two defects via a surrounding crystal: We theoretically show how two impurity defects in a crystalline structure can
be entangled through coupling with the crystal. We demonstrate this with a
harmonic chain of trapped ions in which two ions of a different species are
embedded. Entanglement is found for suffi... | cond-mat_other |
Sound velocities of hexagonal close-packed H2 and He under pressure: Bulk, shear, and compressional aggregate sound velocities of hydrogen and
helium in the close- packed hexagonal structure are calculated over a wide
pressure range using two complementary approaches: semi-empirical lattice
dynamics based on the many-b... | cond-mat_other |
Nuclear Spin Relaxation of Very Dilute 3He impurities in Solid 4He: We report measurements of the nuclear spin-lattice and spin-spin relaxation
times of very dilute 3He in solid 4He in the temperature range 0.01 \leq T \leq
0.5 K for densities where anomalies have been observed in torsional oscillator
and shear modulus... | cond-mat_other |
Ultrastrong coupling between a cavity resonator and the cyclotron
transition of a 2D electron gas in the case of integer filling factor: We investigate theoretically the coupling between a cavity resonator and the
cyclotron transition of a two dimensional electron gas under an applied
perpendicular magnetic field. We... | cond-mat_other |
Dissipation-managed soliton in a quasi-one-dimensional Bose-Einstein
condensate: We use the time-dependent mean-field Gross-Pitaevskii equation to study the
formation of a dynamically-stabilized dissipation-managed bright soliton in a
quasi-one-dimensional Bose-Einstein condensate (BEC). Because of three-body
recombi... | cond-mat_other |
Influence of structure on the optical limiting properties of nanotubes: We investigate the role of carbon nanotubes structure on their optical
limiting properties. Samples of different and well-characterized structural
features are studied by optical limiting and pump-probe experiments. The
influence of the diameter's ... | cond-mat_other |
The Boron Buckyball has an Unexpected Th Symmetry: The boron buckyball avoids the high symmetry icosahedral cage structure. The
previously reported Ih symmetric structure is not an energy minimum in the
potential energy surface and exhibits a spontaneous symmetry breaking to yield
a puckered cage with a rare Th symmetr... | cond-mat_other |
Proton transport and torque generation in rotary biomotors: We analyze the dynamics of rotary biomotors within a simple
nano-electromechanical model, consisting of a stator part and a ring-shaped
rotor having twelve proton-binding sites. This model is closely related to the
membrane-embedded F$_0$ motor of adenosine tr... | cond-mat_other |
Experimental realities refuting the existence of p=0 condensate in a
system of interacting bosons : II. Spectroscopy of embedded molecules: Experimental observation of superfluidity in a microscopic cluster,
$M:(^4He)_x$, of a molecule ($M$) and $x$ number of $^4He$ atoms (with $x$
ranging from 1 to many) is qualitat... | cond-mat_other |
The role of interactions in spin-polarised atomic Fermi gases at
unitarity: We study the zero temperature properties of a trapped polarized Fermi gas at
unitarity by assuming phase separation between an unpolarized superfluid and a
polarized normal phase. The effects of the interaction are accounted using the
formali... | cond-mat_other |
Hybrid apparatus for Bose-Einstein condensation and cavity quantum
electrodynamics: Single atom detection in quantum degenerate gases: We present and characterize an experimental system in which we achieve the
integration of an ultrahigh finesse optical cavity with a Bose-Einstein
condensate (BEC). The conceptually n... | cond-mat_other |
Reduced Density Matrix Functional Theory at Finite Temperature:
Theoretical Foundations: We present an ab-initio approach for grand canonical ensembles in thermal
equilibrium with local or nonlocal external potentials based on the one-reduced
density matrix. We show that equilibrium properties of a grand canonical
en... | cond-mat_other |
Scaling issues for AlGaN/GaN HEMTs: performance optimization via devices
geometry modelling: The potential barrier between source and gate in HEMTs and between source and
channel in MOSFET controls the current output and the velocity injection of
electrons in the channel [1], [2]. In non self aligned structures the e... | cond-mat_other |
Slow-wave effect and mode-profile matching in Photonic Crystal
microcavities: Physical mechanisms involved in the light confinement in photonic crystal
slab microcavities are investigated. We first present a full three-dimensional
numerical study of these microcavities. Then, to gain physical insight into the
confine... | cond-mat_other |
Scale Separation Scheme for Simulating Superfluid Turbulence:
Kelvin-Wave Cascade: A Kolmogorov-type cascade of Kelvin waves--the distortion waves on vortex
lines--plays a key part in the relaxation of superfluid turbulence at low
temperatures. We propose an efficient numeric scheme for simulating the Kelvin
wave cas... | cond-mat_other |
Equations of Two-Fluid Hydrodynamics of Superfluid Helium with the
Account of Electric Fields: System of two-fluid hydrodynamics of superfluid helium with the account of
electric field is obtained. These equations are obtained in kinetic approach
using quasi-equilibrium distribution function of quasi-particles, which... | cond-mat_other |
Collective oscillations of a quasi one dimensional Bose condensate under
damping: Influence of the damping on collective oscillations of a one-dimensional
trapped Bose gas in the mean field regime has been studied. Using the
phenomenological damping approach developed by L.P. Pitaevskii, modified
variational equation... | cond-mat_other |
Comment to "Mechanism for Designing Metamaterials with a High Index of
Refraction": Comment to "Mechanism for Designing Metamaterials with a High Index of
Refraction" by J. T. Shen, Peter B. Catrysse and Shanhui Fan. | cond-mat_other |
Characterization of high-temperature PbTe p-n junctions prepared by
thermal diffusion and by ion-implantation: We describe here the characteristics of two types of high-quality PbTe
p-n-junctions, prepared in this work: (1) by thermal diffusion of In4Te3 gas
(TDJ), and (2) by ion implantation (implanted junction, IJ)... | cond-mat_other |
Evidence for Efimov quantum states in an ultracold gas of cesium atoms: Systems of three interacting particles are notorious for their complex
physical behavior. A landmark theoretical result in few-body quantum physics is
Efimov's prediction of a universal set of bound trimer states appearing for
three identical boson... | cond-mat_other |
Quantum Turbulence of Bellows-Driven 4He Superflow: Decay: We report on studies of quantum turbulence with second-sound in superfluid
4He in which the turbulence is generated by the flow of the superfluid
component through a wide square channel, the ends of which are plugged with
sintered silver superleaks, the flow be... | cond-mat_other |
New Heat-Capacity Measurements of the Possible Order-Disorder Transition
in the 4/7-phase of 2D Helium: We have developed a new heat-capacity measuring system with ZYX graphite that
is known to have much better crystallinity than Grafoil and started data
collection. We report preliminary data as well as a detailed de... | cond-mat_other |
Non-perturbative embedding of local defects in crystalline materials: We present a new variational model for computing the electronic first-order
density matrix of a crystalline material in presence of a local defect. A
natural way to obtain variational discretizations of this model is to expand
the difference Q betwee... | cond-mat_other |
Formation of a condensed state with macroscopic number of phonons in
ultracold Bose gases: A mechanism for the formation of a new type of stationary state with
macroscopical number of phonons in condensed atomic gases is proposed. This
mechanism is based on generating longitudinal phonons as a result of parametric
re... | cond-mat_other |
Exponentially Fragile PT-Symmetry in Lattices with Localized Eigenmodes: We study the effect of localized modes in lattices of size N with parity-time
(PT) symmetry. Such modes are arranged in pairs of quasi-degenerate levels with
splitting delta exp{-N/xi}, where \xi is their localization length. The level
"evolution"... | cond-mat_other |
Three-body Recombination of Lithium-6 Atoms with Large Negative
Scattering Lengths: The 3-body recombination rate at threshold for distinguishable atoms with
large negative pair scattering lengths is calculated in the zero-range
approximation. The only parameters in this limit are the 3 scattering lengths
and the Efi... | cond-mat_other |
Spin dynamics of a trapped spin-1 Bose Gas above the Bose-Einstein
transition temperature: We study collective spin oscillations in a spin-1 Bose gas above the
Bose-Einstein transition temperature. Starting from the Heisenberg equation of
motion, we derive a kinetic equation describing the dynamics of a thermal gas
w... | cond-mat_other |
Lindemann Criterion and the Anomalous Melting Curve of Sodium: Recent reports of the melting curve of sodium at high pressure have shown
that it has a very steep descent after a maximum of around 1000K at 31 GPa.
This is not due to a phase transition. According to the Lindemann criterion,
this behaviour should be appar... | cond-mat_other |
Parametric spin excitations in lateral quantum dots: In this work, the spin dynamics of a single electron under parametric
modulation of a lateral quantum dot's electrostatic potential in the presence
of spin-orbit coupling is investigated. Numerical and theoretical calculations
demonstrate that, by squeezing and/or mo... | cond-mat_other |
Exact Study of the 1D Boson Hubbard Model with a Superlattice Potential: We use Quantum Monte Carlo simulations and exact diagonalization to explore
the phase diagram of the Bose-Hubbard model with an additional superlattice
potential. We first analyze the properties of superfluid and insulating phases
present in the h... | cond-mat_other |
Experimental study of the transport of coherent interacting matter-waves
in a 1D random potential induced by laser speckle: We present a detailed analysis of the 1D expansion of a coherent interacting
matterwave (a Bose-Einstein condensate) in the presence of disorder. A 1D
random potential is created via laser speck... | cond-mat_other |
Topological quantum correction to an atomic ideal gas law as a dark
energy effect: The traditional ambiguity about the bulk electrostatic potentials in crystals
is due to the conditional convergence of Coulomb series. The classical Ewald
approach turns out to be the first one resolving this task as consistent with a
... | cond-mat_other |
Vortex Properties of a Resonant Superfluid: The properties of a vortex in a rotating superfluid Fermi gas are studied in
the unitary limit. A phenomenological approach based on Ginzburg-Landau theory
is developed for this purpose. The density profiles, including those of the
normal fluid and superfluid, are obtained at... | cond-mat_other |
Dynamics of rapidly rotating Bose-Einstein condensates in a harmonic
plus quartic trap: A two-dimensional rapidly rotating Bose-Einstein condensate in a harmonic
plus quartic trap is expected to have unusual vortex states that do not occur
in a pure harmonic trap. At a critical rotation speed $\Omega_h$, a central
ho... | cond-mat_other |
Exactly solvable model of electron in the Lame potential and
singularities of the electron thermodynamic potential: One-gap and two-gap separable Lame potentials are studied in detail. For the
one-dimensional case, we construct the dispersion relation graph E(k) and for
the three-dimensional case we construct the Fer... | cond-mat_other |
Half-vortices in polariton condensates: It is shown that vortices in linearly polarized polariton condensates in
planar semiconductor microcavities carry two winding numbers (k,m). These
numbers can be either integer or half-integer simultaneously. Four half-integer
vortices (1/2,1/2), (-1/2,-1/2), (1/2,-1/2), and (-1/... | cond-mat_other |
Influence of an external magnetic field on the decoherence of a central
spin coupled to an antiferromagnetic environment: Using the spin wave approximation, we study the decoherence dynamics of a
central spin coupled to an antiferromagnetic environment under the application
of an external global magnetic field. The e... | cond-mat_other |
Vortex-line solitons in a periodically modulated Bose gas: We study the nonlinear excitations of a vortex-line in a Bose-Einstein
condensate trapped in a one-dimensional optical lattice. We find that the
classical Euler dynamics of the vortex results in a description of the vortex
line in terms of a (discrete) one-dime... | cond-mat_other |
Neutron Reflection from the Surface of Liquid 4He with and without a
Layer of 3He: We report and discuss the first neutron reflection measurements from the free
surface of normal and superfluid 4He and of liquid 3He-4He mixture. In case of
liquid 4He the surface roughness is different above and below the lambda
trans... | cond-mat_other |
Spin Collective Modes of Two-Species Fermi Liquids: Helium-3 and Atomic
Gases near the Feshbach Resonance: We present theoretical findings on the spin collective modes of a two-species
Fermi liquid, prepared alternatively in a polarized equilibrium or a polarized
non-equilibrium state. We explore the effects on these... | cond-mat_other |
Statistical Facts of Artificial Stock Market: The paper reports the construction of artificial stock market that emerges
the similar statistical facts with real data in Indonesian stock market. We use
the individual but dominant data, i.e.: PT TELKOM in hourly interval. The
artificial stock market shows standard statis... | cond-mat_other |
The role of the coherence in the cross-correlation analysis of
diffraction patterns from two-dimensional dense mono-disperse systems: The investigation of the static and dynamic structural properties of
colloidal systems relies on techniques capable of atomic resolution in real
space and femtosecond resolution in tim... | cond-mat_other |
Quantized vortices in atomic Bose-Einstein condensates: In this review, we give an overview of the experimental and theoretical
advances in the physics of quantized vortices in dilute atomic-gas
Bose--Einstein condensates in a trapping potential, especially focusing on
experimental research activities and their theoret... | cond-mat_other |
Simulations of financial markets in a Potts-like model: A three-state model based on the Potts model is proposed to simulate
financial markets. The three states are assigned to "buy", "sell" and
"inactive" states. The model shows the main stylized facts observed in the
financial market: fat-tailed distributions of retu... | cond-mat_other |
Low-Temperature Mobility of Surface Electrons and Ripplon-Phonon
Interaction in Liquid Helium: The low-temperature dc mobility of the two-dimensional electron system
localized above the surface of superfluid helium is determined by the slowest
stage of the longitudinal momentum transfer to the bulk liquid, namely, by... | cond-mat_other |
Binding Energies of 6Li p-wave Feshbach Molecules: We present measurements of the binding energies of $^6$Li p-wave Feshbach
molecules formed in combinations of the (F = 1/2, m_F = +1/2), (1), and (F =
1/2, m_F = -1/2), (2), states. The binding energies scale linearly with
magnetic field detuning for all three resonanc... | cond-mat_other |
Rotating states for trapped bosons in an optical lattice: Rotational states for trapped bosons in an optical lattice are studied in the
framework of the Hubbard model. Critical frequencies are calculated and the
main parameter regimes are identified. Transitions are observed from edge
superfluids to vortex lattices wit... | cond-mat_other |
Two objective and independent fracture parameters for interface cracks
and a paradox: Due to the oscillatory singular stress field around a crack tip, interface
fracture has some peculiar features. This paper is focused on two of them. One
can be reflected by a proposed paradox that geometrically similar structures
w... | cond-mat_other |
Condon domains - these non-magnetic diamagnetic domains: The paper, not pretending for a complete and detailed review, is intended
mainly for a wide community of physicists, not only specialists in this
particular subject. The author gives a physical picture of the periodic
emergence of instabilities and well-known dia... | cond-mat_other |
La-dilution effects in TbRhIn5 antiferromagnet: We report measurements of temperature dependent magnetic susceptibility,
resonant x-ray magnetic scattering (XRMS) and heat capacity on single crystals
of Tb1-xLaxRhIn5 for nominal concentrations in the range 0.0 < x < 1.0. TbRhIn5
is an antiferromagnetic (AFM) compound w... | cond-mat_other |
Magnetism and structure of magnetic multilayers based on the fully spin
polarized Heusler alloys Co2MnGe and Co2MnSn: Our Introduction starts with a short general review of the magnetic and
structural properties of the Heusler compounds which are under discussion in
this book. Then, more specifically, we come to the ... | cond-mat_other |
Anomalous reflection and excitation of surface waves in metamaterials: We consider reflection of electromagnetic waves from layered structures with
various dielectric and magnetic properties, including metamaterials. Assuming
periodic variations in the permittivity, we find that the reflection is in
general anomalous. ... | cond-mat_other |
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