The end of the quantum tunnel: Exact instanton transseries for quantum mechanics


by Phys.org

Phys.org— In the quantum world, processes can be separated into two distinct classes. One class, that of the so-called "perturbative" phenomena, is relatively easy to detect, both in an experiment and in a mathematical computation. Examples are plentiful: the light that atoms emit, the energy that solar cells produce, the states of qubits in a quantum computer.

Phys.org—Research demonstrates a new mechanism of order formation in quantum systems. Researchers Kazuaki Takasan and Kyogo Kawaguchi of the University of Tokyo with Kyosuke Adachi of RIKEN, Japan, have demonstrated that ferromagnetism, an ordered state of atoms, can be induced by increasing particle motility and that repulsive forces between atoms are sufficient to maintain it.

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MediaNama—WhatsApp says it will shut down in India if forced to break end-to-end encryption. Representing WhatsApp, Advocate Tejas Karia also noted before the Delhi HC that not knowing which messages to decrypt would mean "millions and millions of messages will have to be stored for a number of years.”