====== Casimir Effect ======



<tabbox Intuitive> 

{{ :advanced_notions:quantum_field_theory:casimir1.png?nolink&400|}}
The Casimir effect is an observed attractive force between two uncharged metal plates due to quantum vacuum fluctuations.

The quantum vacuum fluctuations can be interpreted as [[advanced_notions:quantum_field_theory:virtual_particles|virtual particles]] that permanently pop in and out of existence in the vacuum.

The Casimir effect is a prediction of [[theories:quantum_field_theory:canonical|Quantum Field Theory]]. 

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  * [[https://gravityandlevity.wordpress.com/2009/10/09/being-pushed-around-by-empty-space-the-casimir-effect/|Being pushed around by empty space: The Casimir Effect]] by Brian Skinner
  
<tabbox Concrete> 

{{ :advanced_notions:quantum_field_theory:casimir2.png?nolink&400 |}}

  * For a nice description see chapter 19 in Sleeping Beauties in Theoretical Physics by Thanu Padmanabhan
  * http://www.stat.physik.uni-potsdam.de/~pikovsky/teaching/stud_seminar/ajp_casimirforce.pdf
  * https://physics.stackexchange.com/questions/26877/regularization-of-the-casimir-effect


<tabbox Abstract> 
  * The Casimir Effect and the Quantum Vacuum by R. L. Jaffe 
  * K. A. Milton, J. Phys. Conf. Ser. 161, 012001 (2009); The Casimir Effect: Physical Manifestations of Zero Point Energy (World Scientific, Singapore, 2001); 
  * M. Bordag, U. Mohideen, and V. M. Mostepanenko, Phys. Rep. 353, 1 (2001);
  * M. Bordag, G. L. Klimchitskaya, U. Mohideen, and V. M. Mostepanenko, Advances in the Casimir Effect, International Series of Monographs on Physics (Oxford University Press, Oxford, 2009).


<tabbox Why is it interesting?> 

The Casimir effect is an experimentally verified phenomenon that shows that the vacuum is not really empty, but filled with vacuum fluctuations.

</tabbox>