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Name of real-valued representation of density matrix?

terminology vectors conventions density-operator

modified 39 secs ago carlosvalderrama 128

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Coulomb potential of a periodic crystal in reciprocal space

solid-state-physics fourier-transform crystals coulombs-law

answered 1 min ago Okarin 333

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Can I express the Hamiltonian in terms of $L_z$ operator only, not $L_x$ and $L_y$? Is it generally true, that $-\omega L_z = H$?

quantum-mechanics homework-and-exercises angular-momentum hamiltonian

asked 7 mins ago zabop 138

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121

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Photon carries spin angular momentum of $\hbar$

photons angular-momentum quantum-spin quantum-electrodynamics

modified 8 mins ago Community♦ 1

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QCD flavor gauging?

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modified 14 mins ago Cosmas Zachos 17.8k

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Thomson's Plum Pudding and Rutherford's scattering

particle-physics atomic-physics scattering atoms

answered 15 mins ago Manu de Hanoi 516

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Questions about Euler-Lagrange derivation in Classical Field Theory

lagrangian-formalism variational-calculus classical-field-theory functional-derivatives

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Evaluating the probability of a Landau Zener transition

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asked 31 mins ago user129412 671

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Compactification of space in Hamiltonian formulation of Yang-Mills theory

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A question about writing a wave as the superposition of other waves

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asked 59 mins ago Anju George 24

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Why doesn't the diffusivity of a particle in a fluid depend on the particle's density?

diffusion

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Changing Summation to Integral

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modified 1 hour ago Cem Yolcu 21

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Is this air/water thrust/drag comparison correct?

fluid-dynamics

asked 1 hour ago Fattie 591

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Find the time when tangential acceleration is equal to radial acceleration

homework-and-exercises newtonian-mechanics kinematics acceleration rotational-kinematics

answered 1 hour ago gandalf61 422

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Name of real-valued representation of density matrix?

Coulomb potential of a periodic crystal in reciprocal space

Can I express the Hamiltonian in terms of $L_z$ operator only, not $L_x$ and $L_y$? Is it generally true, that $-\omega L_z = H$?

Photon carries spin angular momentum of $\hbar$

QCD flavor gauging?

Thomson's Plum Pudding and Rutherford's scattering

Questions about Euler-Lagrange derivation in Classical Field Theory

Evaluating the probability of a Landau Zener transition

Compactification of space in Hamiltonian formulation of Yang-Mills theory

A question about writing a wave as the superposition of other waves

Why doesn't the diffusivity of a particle in a fluid depend on the particle's density?

Changing Summation to Integral

Is this air/water thrust/drag comparison correct?

Find the time when tangential acceleration is equal to radial acceleration

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