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Assuming that I got a system with hamiltonian given by$$H=sigma_x+sigma_y$$where $sigma_{x,y,z}$ denotes the Pauli operator. It's not hard to see that this hamiltonian has chiral symmetry respect...
Asked on 05/22/2021
0 answerWe know that the center of gravity of a ring whose mass is uniformly distributed is at the geometrical center. Now if the ring is in a vertical plane and...
Asked on 05/21/2021
2 answerIn the book of Statistical Field Theory by Giuseppe Mussardo, on page 51, it is given while talking about Ising model thatOne arrives to the same conclusion by analysing the...
Asked on 05/21/2021
1 answerAssume that air-friction can be ignored.Assume that magnetic levitation supports the spinning ring so that hoop stress in the ring is not a limiting factor.Assume that "large-diameter" means...
Asked on 05/21/2021 by phil1008
1 answerWhat would occur if a gasoline engine would be driving a generator (specifically, a permanent-magnet synchronous AC 3-phase sinusoidal generator) as its only load at the output shaft and if...
Asked on 05/21/2021
2 answerI am accessing the Internet, downloading PDFs, and much more, but how? The servers are far away, but how do I download data if it is far from my computer?...
Asked on 05/21/2021 by Cooper Smith
5 answerWhen finding eigenvalues for a system consisting of a single particle, its position and velocity are used when making the system of equations. So that there is an equation like...
Asked on 05/21/2021 by Condor
0 answerIn chemical reactions one often considers so called "reaction coordinate" diagrams like this: Is it possible to interpret the abstract...
Asked on 05/21/2021 by dp21
2 answerI have some question about work done. I understand the mathematical ways and examples which are floating all over on internet & books. But all these information not clearing the...
Asked on 05/21/2021 by 123
6 answerWe know that the entropy is zero for reversible processes and always positive for irreversible processes. Can there exist a system which may have negative entropy? ...
Asked on 05/21/2021
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