The Mathematics of the Casimir Effect - School of Mathematical ...
The Mathematics of the Casimir Effect - School of Mathematical ...
The Mathematics of the Casimir Effect - School of Mathematical ...
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<strong>The</strong> <strong>Casimir</strong> <strong>Effect</strong><br />
Making Sense <strong>of</strong> Infinity - Infinity<br />
Conclusion<br />
Making (Physical) Sense <strong>of</strong> Infinity<br />
History<br />
Quantum Electrodynamics<br />
Zero-Point Energy Shift<br />
<strong>The</strong> zero-point energy shifts due to a restricted geometry<br />
In <strong>the</strong> presence <strong>of</strong> <strong>the</strong> boundary<br />
E discrete = ∑ n<br />
E 0,n<br />
is a sum over discrete energies E 0,n = 1 2 ω n<br />
In <strong>the</strong> absence <strong>of</strong> a boundary<br />
∫<br />
E = 2V<br />
<strong>The</strong> difference <strong>of</strong> <strong>the</strong> infinite zero-point energies is finite!<br />
∆E = E discrete − E = − π2 c L 2<br />
720 d 3<br />
for a box <strong>of</strong> size L × L × d with d ≪ L<br />
E 0 ( ⃗ k) d 3 k<br />
(2π) 3<br />
Thomas Prellberg<br />
<strong>The</strong> <strong>Ma<strong>the</strong>matics</strong> <strong>of</strong> <strong>the</strong> <strong>Casimir</strong> <strong>Effect</strong>