نتایج جستجو برای: temperature

تعداد نتایج: 452920  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1988
R Zwanzig

Diffusion in a spatially rough one-dimensional potential is treated by analysis of the mean first passage time. A general expression is found for the effective diffusion coefficient, which can become very small at low temperatures.

Journal: :Physical review letters 2011
Mintu Mondal Anand Kamlapure Madhavi Chand Garima Saraswat Sanjeev Kumar John Jesudasan L Benfatto Vikram Tripathi Pratap Raychaudhuri

We explore the role of phase fluctuations in a three-dimensional s-wave superconductor, NbN, as we approach the critical disorder for destruction of the superconducting state. Close to critical disorder, we observe a finite gap in the electronic spectrum which persists at temperatures well above T(c). The superfluid density is strongly suppressed at low temperatures and evolves towards a linear...

Journal: :Physical review letters 2010
Ph de Forcrand M Fromm

We study numerically the strong coupling limit of lattice QCD with one flavor of massless staggered quarks. We determine the complete phase diagram as a function of temperature and chemical potential, including a tricritical point. We clarify the nature of the low temperature dense phase, which is strongly bound "nuclear" matter. This strong binding is explained by the nuclear potential, which ...

2016
Andriy Shevchenko Maksym Barabash

It was established that at low temperatures, quantum oscillations of a pair of interacting nanoscale structural inhomogeneities (vertical Bloch lines) occur in a domain wall of stripe domain in uniaxial ferromagnetic film. The effective mass of vertical Bloch line and conditions for this effect were determined. The effect can be used in the hybrid storage devices bit + q-bit.

Journal: :Physical review letters 2009
Krzysztof Sacha Cord A Müller Dominique Delande Jakub Zakrzewski

At low temperature, a quasi-one-dimensional ensemble of atoms with an attractive interaction forms a bright soliton. When exposed to a weak and smooth external potential, the shape of the soliton is hardly modified, but its center-of-mass motion is affected. We show that in a spatially correlated disordered potential, the quantum motion of a bright soliton displays Anderson localization. The lo...

2015
Maurizio Melito Antonino Gaito Giuseppe Sorrentino

Journal: :Indian journal of physiology and pharmacology 2009
Mahesh Kumar Kaushik Hruda Nanda Mallick Velayudhan Mohan Kumar

The available information on simultaneous assessment of body and hypothalamic temperatures in rats are lacking. In the present study these temperatures were recorded for 24 h, on three alternate days, in rats maintained at an ambient temperature of 26 +/- 1 degrees C. Hypothalamic temperature was significantly higher than body temperature during the night. In nocturnal rats the magnitude of cir...

2016
M. Mehdi Mirzazadeh Martin Noël Mark F. Green

This article provides data on the static behavior of reinforced concrete at room and low temperature including, strength, ductility, and crack widths of the reinforced concrete. The experimental data on the application of digital image correlation (DIC) or particle image velocimetry (PIV) in measuring crack widths and the accuracy and precision of DIC/PIV method with temperature variations when...

Journal: :Nursing times 1985
A Boylan P Brown

We present a study of the topological susceptibility χ on the lattice for full QCD with 2 and 4 flavours of staggered fermions at zero and finite temperature T . We find that χ presents a sharp drop across the deconfinement transition. We also study the dependence of χ on the quark mass at T = 0: we have no conclusive evidence for the expected chiral behaviour.

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