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20h
comment Ryder QFT, Is there an errata sheet?
I note that the author's web page includes an e-mail address and even a phone number.
20h
comment What causes that the outer electrons of iron have the same spin and creates a dipool?
See also Is the ferromagnetism of iron understood completely?
20h
comment What causes that the outer electrons of iron have the same spin and creates a dipool?
See for example this question. The situation is more complicated than you describe. At the moment it's hard to answer your question because you misrepresent why ferromagnetism happens.
21h
comment How bizarre can the Quantum two slit experiment get?
Hi Udit. There's a physics chat session starting now. You might want to ask your question there.
21h
revised Conduction problem
edited tags
21h
comment Conduction problem
Hi and welcome to the Physics SE! Please note that this is not a homework help site. Please see this Meta post on asking homework questions and this Meta post for "check my work" problems.
21h
reviewed No Action Needed How bizarre can the Quantum two slit experiment get?
21h
reviewed Close Liquid jet in the absence of gravity
21h
reviewed Close General framework of Supersymmetry
1d
answered Why did James Chadwick use berryllium to discover neutrons?
1d
reviewed Approve yang-mills tag wiki
1d
reviewed Approve yang-mills tag wiki excerpt
1d
reviewed Close Finding the value of E at a point in a 3D field with 2 separate point charges
1d
reviewed Close How to produce an illustration: “Error Ellipsoid” in 3D
1d
answered Reduced Pressure and Cooling
1d
answered When we write that $F = -\nabla V$ , what would happen if we ommit the (-) minus sign
1d
reviewed No Action Needed When we write that $F = -\nabla V$ , what would happen if we ommit the (-) minus sign
1d
reviewed No Action Needed Reduced Pressure and Cooling
1d
reviewed No Action Needed How Much Weight Would This Put On The Legs Of A Desk?
1d
reviewed Close Element 137 - Theoretical limit