相关论文: A Design for a Quantum Time Machine

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This submission has been withdrawn at the request of the author.

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The effect of the random quantum transverse field $\Omega$

This paper has been withdrawn by the author, because it is now part of an enlarged version entitled "Time functions as utilities" arXiv:0909.0890

The paper was withdrawn because of its significant overlap with a paper appeared recently.

This paper has been withdrawn while the author verifies the literature.

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This paper has been withdrawn by the author, since some results of the paper have been already obtained in [J.~Lewandowski, Class. Quantum Grav. 9 (1992), no. 10, L147--L151.]

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This paper has been withdrawn by Chien-Yu, Chen due to the authors fields error.

this is a duplicate submission(original is arXiv:1612.02141). Hence want to withdraw it

This paper has been withdrawn due to security loophole. We thank Dr G. P. he for pointing this to us.

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This paper has been withdrawn due to a crucial theoretical error.