Exploració per tema "Condensed matter"
Ara es mostren els items 1-20 de 27
-
Asymptotic analysis of the Gunn effect with realistic boundary conditions
(The American Physical Society, 1997-08-31)
Article
Accés obertA general asymptotic analysis of the Gunn effect in n-type GaAs under general boundary conditions for metal-semiconductor contacts is presented. Depending on the parameter values in the boundary condition of the injecting ... -
Coherent phase slips in coupled matter-wave circuits
(American Physical Society, 2022-05)
Article
Accés obertQuantum phase slips are a dual process of particle tunneling in coherent networks. Besides being of central interest to condensed matter physics, quantum phase slips are resources that are sought to be manipulated in quantum ... -
Computer simulation of the atomic behaviour in condensed phases
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1987)
Article
Accés obertMolecular dynamics simulation method for the study of condensed phases of matter is described in this paper. Computer programs for the simulation of atomic motion have been developed. Time-saving techniques, like the ... -
Device Nanofabrication and Quantum Electronic Transport in Twisted van der Waals Heterostructures
(Universitat Politècnica de Catalunya, 2019-05-30)
Treball Final de Grau
Accés obert
Realitzat a/amb: Massachusetts Institute of TechnologyIn this project I will learn how to fabricate twisted van der Waals heterostructures using mechanical exfoliation and pick up & transfer methods. I will also learn how to perform device nanofabrication using modern electron ... -
Dispersionless transport in a washboard potential
(American Physical Society, 2007-01-10)
Article
Accés obertWe study and characterize a new dynamical regime of underdamped particles in a tilted washboard potential. We find that for small friction in a finite range of forces the particles move essentially nondispersively, that ... -
Dynamics of an inchworm nano-walker
(Elsevier Science, 2006-05-19)
Article
Accés obertAn inchworm processive mechanism is proposed to explain the motion of dimeric molecular motors such as kinesin.We present here preliminary results for this mechanism focusing on observables like mean velocity, coupling ... -
Exactly solvable system of one-dimensional trapped bosons with short- and long-range interactions
(American Institute of Physics (AIP), 2020-11-25)
Article
Accés obertWe introduce a model of trapped bosons with contact interactions as well as Coulomb repulsion or gravitational attraction in one spatial dimension. We find the exact ground-state energy and many-body wave function. The ... -
Going "open" with Mesoscopy: a new dimension on multi-view imaging
(2014-03)
Article
Accés obertOpenSPIM and OpenSpinMicroscopy emerged as open access platforms for Light Sheet and Optical Projection Imaging, often called as optical mesoscopy techniques. Both projects can be easily reproduced using comprehensive ... -
Intermittent dynamics in externally driven ferroelastics and strain glasses
(American Institute of Physics (AIP), 2018-09-28)
Article
Accés obert -
Lifetime effects and satellites in the photoelectron spectrum of tungsten metal
(American Physical Society, 2022-01)
Article
Accés obertTungsten (W) is an important and versatile transition metal and has a firm place at the heart of many technologies. A popular experimental technique for the characterization of tungsten and tungsten-based compounds is x-ray ... -
Magnetoelectric Effects in MnBi2Te4, an antiferromagnetic topological insulator
(Universitat Politècnica de Catalunya, 2020-05-22)
Treball Final de Grau
Accés obert
Realitzat a/amb: Massachusetts Institute of TechnologyEn aquest projecte, ens centrem en la fabricació d'heteroestructuras de Van der Waals de MnBi2Te4 amb diferents gruixos, un aïllant topològic antiferromagnètic, utilitzant mètodes d'exfoliació mecànica i de transferència. ... -
Mass-driven vortex collisions in flat superfluids
(American Physical Society, 2023-05-26)
Article
Accés obertQuantum vortices are often endowed with an effective inertial mass, due, for example, to massive particles in their cores. Such “massive vortices” display new phenomena beyond the standard picture of superfluid vortex ... -
Microscale magneto-elastic composite swimmers at the air-water and water-solid interfaces under a uniaxial field
(2019-03-11)
Article
Accés obert -
Multisite exchange-enhanced barocaloric response in Mn3NiN
(2018-11-28)
Article
Accés obert -
Nanoscale phase separation and pseudogap in the hole-doped cuprates from fluctuating Cu-O-Cu bonds
(2020-03-10)
Article
Accés obertThe pseudogap phenomenology is one of the enigmas of the physics of high-Tc superconductors. Many members of the cuprate family have now been experimentally characterized with high resolution in both real and momentum ... -
Optimization of condensed matter physics application with OpenMP tasking model
(Springer, 2019)
Text en actes de congrés
Accés obertThe Density Matrix Renormalization Group (DMRG++) is a condensed matter physics application used to study superconductivity properties of materials. It’s main computations consist of calculating hamiltonian matrix which ... -
Phases of 4He and H2 adsorbed on a single carbon nanotube
(American Physical Society (APS), 2023-05-22)
Article
Accés restringit per política de l'editorialUsing a diffusion Monte Carlo technique, we calculated the phase diagrams of 4He and H2 adsorbed on a single (5,5) carbon nanotube, one of the narrowest that can be obtained experimentally. For a single monolayer, when the ... -
Propulsion and energetics of a minimal magnetic microswimmer
(Royal Society of Chemistry, 2020-07-28)
Article
Accés obertIn this manuscript we describe the realization of a minimal hybrid microswimmer, composed of a ferromagnetic nanorod and a paramagnetic microsphere. The unbounded pair is propelled in water upon application of a swinging ... -
Reply to "comment on 'Berezinskii-Kosterlitz-Thouless transition in two-dimensional dipolar stripes' "
(American Physical Society, 2020-10-19)
Article
Accés obertThis is a Reply to the Comment from F. Cinti and M. Boninsegni on our recent work on the Berezinskii-Kosterlitz-Thouless (BKT) phase transition in a two-dimensional dipolar system [Bombín, Mazzanti, and Boronat, Phys. Rev. ... -
Self-Trapped polarons and topological defects in a topological mott insulator
(American Institute of Physics (AIP), 2020-12-11)
Article
Accés obertMany-body interactions in topological quantum systems can give rise to new phases of matter, which simultaneously exhibit both rich spatial features and topological properties. In this work, we consider spinless fermions ...