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2 votes
0 answers
91 views
+100

Does a uniform circular disk make a perfect gravitational lens?

2 votes
1 answer
78 views
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Mutual gravitational acceleration (or deflection) of light beams as a function of the angle between them

5 votes
1 answer
430 views
+50

Phase difference of a standing wave

1 vote
1 answer
35 views
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What is the theoretical range of temperature the air must be in order to reflect/refract light (for a volumetric a display)?

3 votes
0 answers
47 views
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Small parameter expansion to obtain convective heat transfer solution of the heat equation

3 votes
0 answers
46 views
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String theory hilbert space - Gas of free gravitons

1 vote
1 answer
55 views
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Master equation with a coherent bath

1 vote
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27 views
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Spherical harmonics with 2 cosmological probes : considering $a_{\ell m, photo}$ as a constant and $\hat{a}_{\ell m, spectro}$ as an estimator


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