TY - JOUR AU - González Díaz, Pedro F. AU - Garay Elizondo, Luis Javier PY - 1999 SN - 0556-2821 UR - https://hdl.handle.net/20.500.14352/59531 T2 - Physical review D AB - Misner space is generalized to have the nonorientable topology of a Klein bottle, and it is shown that, in a classical spacetime with multiply connected space slices having such a topology, closed timelike curves are formed. Different regions on the... LA - eng PB - Amer Physical Soc KW - Time-like curves KW - Weak energy condition KW - Quantum-field theory KW - Chronology protection KW - Traversable wormholes KW - Cosmic strings KW - Machines KW - Horizon TI - Nonorientable spacetime tunneling TY - journal article VL - 59 ER -