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11h
reviewed Approve Can speed of light be $c$ in air or other medium?
11h
reviewed Reject People went down two different length slides end up at the bottom at the same time
1d
awarded  Good Answer
1d
comment How many bits of information can be stored in an atom?
in an atom or using an atom?
1d
comment Converting a Bell state to a less entangled state by LOCC
Indeed. Unless you allow for ancillas, of course.
1d
comment Converting a Bell state to a less entangled state by LOCC
Do you know about POVM measurements?
1d
comment Converting a Bell state to a less entangled state by LOCC
This is standard textbook material. Did you look e.g. in Nielsen-Chuang? What did you try, and where did you get stuck?
2d
comment Why does the interference patterns in delayed choice quantum eraser cancel out? Why/how does it have a phase shift?
Giving the details here rather than pointing people to wikipedia, and explaining which point exactly you don't understand about it (and which part you do unterstand) will likely increase your chance of getting an answer.
Feb
7
comment Pure State Entanglement and Private Communication
@Ian You should use @[username] in your post, otherwise others (=me) will not be notified of your comment. I was referring even to details about which protocol you consider. As of now, this seems quite unclear, so how should one compare them? Also, it would make much more sense to edit this into your question rather than to add comments (which can be deleted at any time). Also, editing will bring your question again to the top of the list of new questions.
Feb
6
comment Pure State Entanglement and Private Communication
Can you give some more details?
Feb
6
reviewed Approve Why does energy flow between a high voltage transmission line and linemen approaching it on a helicopter?
Feb
6
reviewed Approve Find the magnitude of the resultant force which these engines exert on the rocket?
Feb
6
reviewed Approve Determinant of block matrix with off diagonals as vectors
Feb
6
reviewed Close Dielectric Constant and Frequency
Feb
6
reviewed Looks OK Textbook about the handiwork of a HEP analysis?
Feb
6
reviewed Close Tacceleration and deformation
Feb
6
reviewed Close Using Steam to lift a mass?
Feb
6
reviewed Close Calculating the data rate for a baud signal
Feb
6
reviewed Close Coulombs Law on Quarks
Feb
6
reviewed Close Mass, velocity and inertia