Virial theorem

• Pommaret, Jean-François. ‘Clausius/Cosserat/Maxwell/Weyl Equations: The Viral Theorem Revisited’. arXiv:1504.04118 [math-Ph, Physics:physics], 16 April 2015. http://arxiv.org/abs/1504.04118.
• Sukumar, C. V. ‘Generalised Virial Theorems in Classical and Quantum Physics’. arXiv:1410.5592 [math-Ph, Physics:quant-Ph], 21 October 2014. http://arxiv.org/abs/1410.5592.