We found that the minimum energy of reading or erasing a spin datum should be expressed by $\Delta E=2~\mu _{B}B$ , in contrast to ${\Delta E=k}_{B}T\,\,ln(2)$ proposed Landauer 1961. The physics using spin’s orientation represent bit information is fundamentally different from particle’s position classical charge-based data storage: former quantum-dynamic (independent temperature below Curie p...

A general Landauer-Büttiker-type current formula is derived, which can be applied to the ferromagnet (F)/Normal metal (N)/superconductor (S), F/N/N, N/N/S and N/N/N systems in the presence of various kinds of interactions in the central region.

Time-dependent density functional theory is extended to include dissipative systems evolving under a master equation, providing a Hamiltonian treatment for molecular electronics. For weak electric fields, the isothermal conductivity is shown to match the adiabatic conductivity, thereby recovering the Landauer result.

We investigate transport properties of multiterminal structures composed of a d-wave superconductor connected to two ferromagnetic electrodes. Using a non-equilibrium Green's function method and a Landauer approach we show that crossed Andreev reflections and cotunneling exist also with d-wave su-perconductors, however their properties are governed by the anisotropy of the d-wave pair potential.

Using the Landauer formulation of transport theory, we predict that dielectric quantum wires should exhibit quantized thermal conductance at low temperatures in a ballistic phonon regime. The quantum of thermal conductance is universal, independent of the characteristics of the material, and equal to π2k2 BT/3h where kB is the Boltzmann constant, h is Plank’s constant and T is the temperature. ...

Using the Landauer-Buttiker theory we calculate the thermal conductance associated to plasmons modes in one dimensional arrays of nanoparticles closely spaced in a host fluid. Our numerical simulations show that the nearfield interactions between particles have a negligible effect on the thermal conductivity of nanoparticles colloidal solutions (nanofluids). PACS: 65.20.+w, 61.46.+w, 65.80.+n, ...

The classical problem of a time-modulated barrier, inspired by the Büttiker and Landauer model to study the tunneling times, is analyzed. We show that the traversaltime distribution of an ensemble of non-interacting particles that arrives at the oscillating barrier, obeys a distribution with a power-law tail.

Maxwell’s Demon, ‘a being whose faculties are so sharpened that he can follow every molecule in its course’, has been the centre of much debate about its abilities to violate the second law of thermodynamics. Landauer’s hypothesis, that the Demon must erase its memory and incur a thermodynamic cost, has become the standard response to Maxwell’s dilemma, and its implications for the thermodynami...