User Bohan Xu - Physics Stack Exchange

Bohan Xu

Member for 8 years, 7 months
Last seen this week

Penn State University (Condensed Matter), College Township, PA, USA

12 Questions

Score Activity Newest Views

1 vote

1 answer

29 views

Size of metal domain needed to reflect light ; are small graphene sheets shiny?

asked Nov 10, 2022 at 5:16

1 vote

1 answer

87 views

Why are magnesium and calcium crystals, metals instead of insulators/semiconductors?

asked Nov 14, 2022 at 1:28

1 vote

1 answer

65 views

How can localized ferromagnetism (non-itinerant ferromagnetism ) exist at all?

asked Jun 7 at 3:01

0 votes

1 answer

79 views

Unsure about whether $\rm CO_2$ significantly displaces Oxygen?

asked Jun 24, 2022 at 3:32

0 votes

0 answers

65 views

Does vacuum of interacting fields contain virtual particles or real particles

asked Sep 24, 2022 at 20:52

0 votes

0 answers

76 views

Expectation value of number operators in interactive vacuum

asked Jan 27 at 17:12

0 votes

0 answers

47 views

Question about "like dissolves like"

asked Jan 28 at 4:00

0 votes

4 answers

70 views

Why can $\rm CO_2$ significantly displace $\rm O_2$ when both are nearly ideal at ambient?

asked Feb 15 at 23:31

0 votes

0 answers

37 views

Spin polarization, ferromagnetism, and size of energy gap

asked Feb 24 at 3:39

0 votes

2 answers

200 views

Trick question: why do dielectrics and isolated conductors affect capacitance differently?

asked Mar 5 at 22:50

0 votes

0 answers

32 views

How can linear response give DC conductivity when the formalism doesn't have dissipation at all?

asked Apr 7 at 20:30

-3 votes

1 answer

80 views

Typically energy of black hole compared to a planet or star of the same mass

asked Jan 24 at 18:49