QuarkyMeson's latest activity

This doesn't seem like an insurmountable problem. Large content creators and celebrities' should just take a note from the cryptographic...

The map zones are the counties of England as they used to be (edit: and Wales, with the smaller ones in the south just treated as...

Looking for second edition Landau and Lifshitz hardcovers to complete set. Would like to pay 30-50 dollars per volume depending on...

https://www.404media.co/ukraine-is-jamming-russias-superweapon-with-a-song/

Chinese factories scamming their customers? A tale as old as time. Lawn darts are also back, not they're just made of plastic and have...

While helping people online with homework like PF is valuable, it is cumbersome. The people must present their whole spiel...

The two most annoying things in trying to maintain other peoples C++ code was people not realizing how short circuiting worked so you...

If you keep reading through the link you've posted you'll see that you're defining ##A^{\dagger}## wrong. ##A^{\dagger} = KL^{\dagger}##...

Yes, it's going to seem rather silly I think when you see it: Write the general form of ##(<\phi|\hat{A})|\psi> = a\psi_1 + b\psi_2##...

It's a distribution, or continuous linear functional. You're quoting the insight but didn't actually read it. The insight itself would...

Sure: https://www.niu.edu/clas/physics/academics/graduate/phd.shtml If you enter with a masters degree or a pgre score > 50% here...

Having a masters exempts you from quals in the US. You're assumed to have passed already. Unless the department has some PhD specific...

I'm not seeing the minus sign, basically in your example you need to apply the given definition: $$\hat{A} = \hat{L} \hat{K}$$ $$\hat{L}...

This is common advice and it's basically what you should do (minus the second part of lie like crazy). Your contributions, no matter how...

Graduate school applications in the US are a bit iffy at the moment. High energy theory is going to be very rough. You already have a...