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Results tagged with thermodynamics
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user 198073
Covers the study of (primarily homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using the tag: [statistical-mechanics].
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Can heat increase cutting power?
An average lightning bolt is at $30,000 K$ and contains $10^9 J$ of energy and the average sword has a weight of $1.5 kg$. For calculation purposes let us assume that the sword is made of carbon steel …
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Third Law of Thermodynamics and Thermal Pollution
Well, one could definitely argue about the global, large-scale effects of the heat released by engines and I doubt that it will be significant.
The problem with global warming due to increasing CO2 …
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Negative Temperature Without Statistical Mechanics
Here is an argument which forbids 'physical bodies' from having a negative temperature (adapted from Landau and Lifshitz - Statisitcal Physics I).
Consider a body divided into a large number of small …
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Dealing with thermodynamic processes in Statistical Mechanics
You can calculate similar expressions for all thermodynamics quantities from the partition function. …
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Is thermodynamics only applicable to systems in equilibrium?
When dealing with thermodynamics, you are interested in knowing the values of thermodynamic variables such as temperature, pressure, volume, entropy, etc of the system, and we assume that these quantities … To answer your question about the nomenclature, thermodynamics evolved when people started studying heat engines and how "heat moved" from one body to another. So heat(thermo) and movement(dynamics). …
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Volume growth of black hole interior
I have been reading about Susskind's $Complexity = Volume$ conjecture from a set of lecture notes. In these, he gives an equation for the growth of the interior of an AdS-Schwarzschild black hole:
$$ …
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Describing spacetime with qubits
Susskind in one of his lectures at PiTP 2018 on Complexity and Gravity talks about describing black holes as a qubit system, comprising qubits of the order of the entropy of the black hole. This is ba …
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Cooling effect caused by evaporation
But according to the second law of thermodynamics, this is possible only if the temperature of the liquid is lower than that of its surroundings. …
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