Results 61 to 70 of about 7,760 (253)

Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet

Advanced Materials, EarlyView.
Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens, Francisco Romero‐Lara, Trisha Sai, Kalyan Biswas, Manuel Vilas‐Varela, Thomas Frederiksen, Diego Peña, Fabian Schulz, Jose Ignacio Pascual   +8 more
wiley   +1 more source

The Fluctuation Theorem and Dissipation Theorem for Poiseuille Flow

Journal of Physics: Conference Series, 2011
The fluctuation theorem and the dissipation theorem provide relationships to describe nonequilibrium systems arbitrarily far from, or close to equilibrium. They both rely on definition of a central property, the dissipation function. In this manuscript we apply these theorems to examine a boundary thermostatted system undergoing Poiseuille flow.
Brookes, Sarah, Reid, James, J. Evans, Denis, Bernhardt, Debra   +3 more
openaire   +3 more sources

Fluctuation theorems for quantum processes [PDF]

Physical Review E, 2013
20 pages, 9 figures.
Albash, Tameem, Lidar, Daniel A., Marvian, Milad, Zanardi, Paolo   +3 more
openaire   +3 more sources

Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD

Advanced Materials, EarlyView.
Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo, Masoud Mansouri, Carlos Garcia‐Fernandez, Daniel Sánchez‐Portal, Aran Garcia‐Lekue, Gustavo Ceballos, Aitor Mugarza   +6 more
wiley   +1 more source

Introducing one-shot work into fluctuation relations

New Journal of Physics, 2015
Two approaches to small-scale and quantum thermodynamics are fluctuation relations and one-shot statistical mechanics. Fluctuation relations (such as Crooks’ theorem and Jarzynski's equality) relate nonequilibrium behaviors to equilibrium quantities such
Nicole Yunger Halpern, Andrew J P Garner, Oscar C O Dahlsten, Vlatko Vedral   +3 more
doaj   +1 more source

Nonlinear Non-Equilibrium Thermodynamics Based on the Ehrenfest–Klein Model

Entropy, 2020
Nonlinear non-equilibrium thermodynamic relations have been constructed based on the generalized Ehrenfest−Klein model. Using these relations, the behavior of the entropy and its production in time at arbitrary deviations from equilibrium has been ...
Gleb A. Zhernokleev, Leonid M. Martyushev   +1 more
doaj   +1 more source

Generalisation of fluctuation-dissipation theorem to systems with absorbing states

New Journal of Physics, 2023
Systems that evolve towards a state from which they cannot depart are common in nature. But the fluctuation-dissipation theorem (FDT), a fundamental result in statistical mechanics, is mainly restricted to systems near-stationarity.
Prajwal Padmanabha, Sandro Azaele, Amos Maritan   +2 more
doaj   +1 more source

Gapless Superconductivity From Extremely Dilute Magnetic Disorder in 2H‐NbSe2‐xSx

Advanced Materials, EarlyView.
We demonstrate that 2H‐NbSe2‐xSx hosts gapless superconductivity at unexpectedly low magnetic impurity concentrations. Combining STM, Bogoliubovde Gennes simulations, DFT, and quasiparticle interference, we comprehensively study the development of gapless behavior and show that SeS substitution reshapes the band structure, enhances nesting, and drives ...
Jose Antonio Moreno, Mercè Roig, Víctor Barrena, Edwin Herrera, Alberto M. Ruiz, Samuel Mañas‐Valero, Antón Fente, Anita Smeets, Jazmín Aragón, Yanina Fasano, Beilun Wu, Maria N. Gastiasoro, Eugenio Coronado, José J. Baldoví, Brian M. Andersen, Isabel Guillamón, Hermann Suderow   +16 more
wiley   +1 more source

Fluctuating relativistic hydrodynamics from Crooks theorem

Journal of High Energy Physics, 2021
We use the Crooks fluctuation theorem [1, 2] together with Zubarev hydro- dynamics [3] to develop a bottom-up theory of hydrodynamic fluctuations. We also use thermodynamic uncertainity relations to estimate bottom-up limits to dissipative transport ...
Giorgio Torrieri
doaj   +1 more source

Isobaric–isothermal fluctuation theorem [PDF]

The Journal of Chemical Physics, 2002
The fluctuation theorem (FT) gives an analytical expression for the probability that in a finite nonequilibrium system observed for a finite time, the Second Law of Thermodynamics is violated. Since FT deals with fluctuations, the precise form of the theorem is dependent on the particular statistical mechanical ensemble.
Mittag, Emil, Searles, Debra J., Evans, Denis J.   +2 more
openaire   +3 more sources