## Parity Nonconservation in Atomic PhenomenaKhriplovich (physics, Novosibirsk U., USSR) describes his own work and that of others in demonstrating the first decisive confirmations of the unified model of atomic electroweak interactions. The studies of weak interaction by optical methods, at the boundary between elementary particle physics and atomic spectroscopy, have revealed parity nonconservation in atomic transitions. He considers the effects of space-inversion and time-reversal violations in atoms, molecules, and condensed matter. First published in Russian in 1981, and translated from the 1988 second edition. Annotation copyrighted by Book News, Inc., Portland, OR |

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### Contents

The general structure of weak electronnucleon interactions | 1 |

Qualitative consideration of parity nonconservation effects | 13 |

The hydrogen atom | 25 |

Calculation of the mixing of oppositeparity levels | 42 |

Optical highly forbidden Ml transitions in heavy atoms | 54 |

Optical activity of heavymetal vapours General considerations | 72 |

Observation of optical activity of heavymetal vapours | 115 |

Podd nuclear forces another source of parity violation | 134 |

Bloch domain walls in ferromagnetic films | 216 |

Phase transition between gyrotropic and nongyrotropic structures | 219 |

Electromagnetic waves in metals | 220 |

Podd current in ferromagnetic materials in a magnetic field | 222 |

Parity nonconservation in photogalvanic effects | 223 |

Weak interactions and low temperatures | 226 |

Electric dipole moment in the Bphase of superfluid 3He | 230 |

Searching for Tinvariance violation in atoms and molecules | 240 |

What else can be discovered about weak interactions from | 158 |

Parity nonconservation effects in diatomic molecules | 168 |

How can weak charges of protons and neutrons be measured? | 176 |

Anticrossing of levels caused by the weak interaction | 179 |

Weak interactions and optical isomers | 181 |

Mossbauer effect and optical isomers | 187 |

Are oscillations of optical activity observable? | 188 |

Parity nonconservation and asymmetry of biological molecules | 195 |

Parity nonconservation in crystals | 198 |

Can parity nonconservation be observed in phase transitions? | 213 |

Limits on the Todd weak interaction constants for neutral currents | 241 |

Screening of electric dipole moments in an atom By what can it be violated? | 251 |

Electron EDM | 253 |

Proton EDM Magnetic quadrupole and Schiff moments of the nucleus | 261 |

Tinvariance nonconservation in nucleonnucleon inter action and Todd nuclear moments | 273 |

What next? | 283 |

293 | |

Addenda | 306 |

### Common terms and phrases

absorption accuracy admixed El amplitude admixture anapole approximation arises bismuth caesium circular polarization compared configuration considered constant contribution Cooper pair coordinate correction corresponding Coulomb degree of circular density dependence dipole dipole moment discussed electric field electromagnetic energy enhancement estimate experiment experimental data expression external field factor Faraday Faraday effect formula Hamiltonian Hartree-Fock heavy atoms helical helix hyperfine hyperfine structure induced isotope left-handed limit magnetic field matrix element measurements Ml amplitude Ml transition molecular molecule momenta neutral currents neutron non-relativistic noted Novosibirsk nuclear spin nucleon nucleus obtained operator optical activity order of magnitude P-odd P-odd effects P-odd interaction parameters parity nonconservation effects particle polarizability potential proton quadrupole radial integral relativistic result rotation angle samarium sin2 spin-orbit interaction splitting standard model structure T-invariance T-odd tensor term thallium theoretical tion total angular momentum vapours vector wave function weak interaction zero