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Unitary vector commuting with Hamiltonian and effect on system
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Spacetime translations and general Lagrangian density for Field Theory
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My Epic Fail at Deriving an Equation with Lagrange
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16
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Calculate limit value with several variables
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3
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811
Analysis of the Ground Function: f(x) with $$f''(\bar{x})=0$$
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6
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799
The Energy Expectation Value for a Moving Hydrogen Atom
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Determine the particles most probable position
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Solving for degeneracy electron cloud temperature
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691
Time Independence of the Momentum Uncertainty for a Free Particle Wave
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Probability density of a 1-D Tonk Gas
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Instantaneous Decay of Tritium into Helium
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If |a> is an eigenvector of A, is f(B)|a> an eigenvector of A?
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Relationship between magnetic field lines and magnetic field
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How can I determine the values of α and β for a canonical transformation?
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What Does $$E^2_k|_{k=k_{res}}$$ Mean?
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3
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865
Show that this dephasing operation is Markovian
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1
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837
Find pupil locations w/ paraxial ray tracing (thick lens, Geary CH 5)
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7
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866
Compton scattering with off-shell photon
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782
Sending drive Pulse in CQED and visualize the state by QuTip
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Conserved quantities via Poisson brackets
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Weird barometric formula experiment results in Excel
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Understanding the Equipartition Theorem for Ideal Gases
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935
Hamiltonian of a Point particle on a frictionless plane
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Help with fluid dynamics problem
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919
Use the Virial theorem to show the following...
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916
How to calculate gating time from the rate of the random coincidence?
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693
Activity of 0.000001 mL Rn-222?
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16
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908
Lorentzian line profile of emitted radiation
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829
Fluid mechanics: water jet impacting an inclined plane
2
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36
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How to calculate dark count from data collected?
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11
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Canonical transformations of a quantized Hamiltonian?
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3
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800
Moment of Inertia of something that rotates
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Isospin and Partons model in a pentaquark
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772
Unitary Operators: Proving <Af,Ag>=<f,g>
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830
Solving Curl A in Spherical Coordinates: Tips & Hints
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802
Average value of components of angular momentum for a wave packet
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4
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1K
Micro Spring (DNA): Determine Energies, Find Expected Length
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2
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828
Inertia tensor around principal Axes part 2
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2
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822
Inertia tensor around principal Axes
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2K
Coupled Vertical Spring-Mass Systems
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3
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Difference between average position of electron and average separation
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14
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Modification to the simple harmonic oscillator
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2
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754
Electric field of a spherical conductor with a dipole in the center
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Apply the Legendre Transformation to the Entropy S as a function of E
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4
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1K
Lagrangian/Stationary-action principle
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843
Electromagnetic linear momentum for a system of two moving charges
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759
Stationary states infinite cubic well
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3
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930
Interaction energy of two interpenetrating spheres of uniform charge density
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Interaction Energy For Two Point Charges
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11
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6K
Strong Inequality Hydrodynamics: Flat Cylinder in Water
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1
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669
Point transformation for a constrained particle
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1K
Phase space of spherical coordinates and momenta
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9
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5K
Is an operator (integral) Hermitian?
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17
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1K
Calculations using the Standard Solar Model & Solar Equations of State
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1
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871
Which Feynman diagram or diagrams include feasible processes?
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7
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1K
Stuck calculating probability of measuring ##S_y## for spin 1 particle
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3
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859
Free expansion of Real Gases - Dieterici EoS, Change in Temperature
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1K
Allowed energy for a potential in quantum mechanics
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Normalize function - quantum chemistry
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824
Partition function for a spin i
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3
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878
Leading non-vanishing term of the groundstate for ##H_0##
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903
Solving a Celestial Mechanics Task with Velocity Vector Scattering
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2
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853
Canonical ensemble <(Delta E)^3> expression
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2
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839
Integration of structure function F2 to calculate quark momentum
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1
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890
Measurement problem quantum mechanics
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1
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884
Degrees of freedom and holonomic constraints
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15
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2K
What causes the radioactive decay of an unstable nucleus?
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970
Einstein solid state model exercise
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1K
Nuclear shell model of double magic nucleus 132Sn
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732
Vertical Spring System (Lagrangian)
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1
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1K
Orbital angular momentum Hamiltonian
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5
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Quantum Mechanics problem: Determine the value of the constant
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3
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1K
QFT: Normalization of coherent states
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2
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1K
Kramers-Kronig, parity and delta function
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5
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1K
Upper bound for first excited state - variational principle
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2
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829
Is my Feynman diagram for production of ##W^-## boson correct?
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5
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1K
Coordinate Transformation (multivariable calculus)
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1
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917
Partition function of modified Ising model
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1
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982
Measurement problem quantum mechanics
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4
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1K
Calculate the probablity density and current density of a wavefunction
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992
Energy conservation: electromagnetic wave in matter
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867
What is the relationship between entropy and pressure in thermodynamics?
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2
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968
Condensed Matter Physics - Fermi velocity, etc.
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5
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1K
Checking assumptions in boundary conditions of double well system
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5
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1K
Radiation emitted by a decelerated particle
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16
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1K
Matrix representation in QM Assignment -- Need some help please
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2
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1K
Understanding Complex Conjugates in QM (Griffiths pg. 13)
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975
Determining Electric and Magnetic field given certain conditions
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1K
Determine eigenvalue-problem for steel pole
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4
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How to count all ways to arrange Bosons?
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The diffusion coefficient in a vacuum
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1
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873
X^4 perturbative energy eigenvalues for harmonic oscillator
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6
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Help with Atomic Calcium Electron Configurations
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11
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Determining the term symbol of Sc
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How is converted the energy of a E.M. wave in a conductor
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1
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853
Troubleshooting Coordinates System from Cone
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1
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988
Classical mechanics problem for a free particle
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2
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963
Use Gauss' Law to calculate the electrostatic potential for this cylinder
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4
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Lagrangian equation for 5 pulley Atwood Machine.
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4
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6K
Exploring Effects of Adding Derivatives to Lagrangian on Hamiltonian Eqns.
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7
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5K

Advanced Physics Homework Help

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