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Application of first law of thermodynamics in the case of dipole inside an uniform electric field

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Finding error in Choi matrix calculation which suggests a CP map is not CP

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Negative charge on capacitor, Kirchoff differential equation with step function

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How to prepare the Stern-Gerlach experiment for a particular state?

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Magnetic scalar potential far above a magnetic film

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Work done to construct a uniformly charged ball

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External leg correction to 3-point QED Green's function

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Electric field intensity inside mixed dielectric capacitor

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How to relate Laplace-Runge-Lenz vector to eccentricity?

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Using Heisenberg's Uncertainty Principle to find the kinetic energy of an atomic particle

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Primary constraint of electrodynamics

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Two gases seperated by semi-permeable membrane

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Clarification Needed for The Klein-Gordon Field Acting on the Vacuum State (Peskin and Schroeder)

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The operation of scalar field $\phi (\vec x)$ on vacuum state

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