Results 61 to 70 of about 177,691 (298)

The two parts of the second law of thermodynamics

open access: yesRevista Brasileira de Ensino de Física
According to Sommerfeld, the well known Clausius and Kelvin statements of the second law of thermodynamics comprises two parts. The first part includes the Carnot principle that all Carnot engines operating between the same temperatures have the same ...
Mário J. de Oliveira
doaj   +1 more source

Thermodynamics of scalar-tensor theory with non-minimally derivative coupling [PDF]

open access: yes, 2015
With the usual definitions for the entropy and the temperature associated with the apparent horizon, we show that the unified first law on the apparent horizon is equivalent to the Friedmann equation for the scalar--tensor theory with non-minimally ...
Gong, Yungui   +3 more
core   +2 more sources

Integrative Approaches for DNA Sequence‐Controlled Functional Materials

open access: yesAdvanced Functional Materials, EarlyView.
DNA is emerging as a programmable building block for functional materials with applications in biomimicry, biochemical, and mechanical information processing. The integration of simulations, experiments, and machine learning is explored as a means to bridge DNA sequences with macroscopic material properties, highlighting current advances and providing ...
Aaron Gadzekpo   +4 more
wiley   +1 more source

Second law of information dynamics

open access: yesAIP Advances, 2022
One of the most powerful laws in physics is the second law of thermodynamics, which states that the entropy of any system remains constant or increases over time.
Melvin M. Vopson, S. Lepadatu
doaj   +1 more source

Second law, entropy production, and reversibility in thermodynamics of information

open access: yes, 2017
We present a pedagogical review of the fundamental concepts in thermodynamics of information, by focusing on the second law of thermodynamics and the entropy production.
A Bérut   +129 more
core   +1 more source

Thermodynamics of an accelerated expanding universe [PDF]

open access: yes, 2005
We investigate the laws of thermodynamics in an accelerating universe driven by dark energy with a time-dependent equation of state. In the case we consider that the physically relevant part of the Universe is that envelopped by the dynamical apparent ...
Bin Wang   +3 more
core   +1 more source

Spatiotemporal Plasma–Mediated Laser Fabrication of Ultrahigh‐Aspect‐Ratio Nanochannel Arrays for Vertical Perovskite Nanowire Semiconductor Devices

open access: yesAdvanced Functional Materials, EarlyView.
A spatiotemporal plasma–mediated laser processing approach is developed to fabricate ultrahigh–aspect ratio nanochannel arrays and corresponding perovskite nanowire arrays within transparent materials for optoelectronics devices. The laser‐fabricated nanochannels serve as templates for controlled perovskite infiltration and crystallization, enabling ...
Taijin Wang   +3 more
wiley   +1 more source

New thought experiment to test the generalized second law of thermodynamics

open access: yes, 2005
We propose an extension of the original thought experiment proposed by Geroch, which sparked much of the actual debate and interest on black hole thermodynamics, and show that the generalized second law of thermodynamics is in compliance with it.Comment:
André R. Rocha da Silva   +8 more
core   +1 more source

The Effect of Amino Acids on the Formation of Amorphous Calcium Carbonate Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Biomineral formation often proceeds via the assembly of amorphous calcium carbonate (ACC) nanoparticles with narrow size distributions. Using in situ SAXS coupled to a stopped‐flow device, we follow synthetic ACC formation with a 10 ms time resolution and show that amino acids narrow the size distribution at low supersaturation, highlighting their key ...
Lucas Kuhrts   +10 more
wiley   +1 more source

Quantum Collapse and the Second Law of Thermodynamics

open access: yes, 2012
A heat engine undergoes a cyclic operation while in equilibrium with the net result of conversion of heat into work. Quantum effects such as superposition of states can improve an engine's efficiency by breaking detailed balance, but this improvement ...
A. N. Kolmogorov   +2 more
core   +1 more source

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