Hartle–Hawking state

Summary

Hartle–Hawking state is a quantum state^[1]. It draws 118 Wikipedia views per month (quantum_state category, ranking #1 of 1).^[2]

Key Facts

• Hartle–Hawking state's image is recorded as Big Bang Singularity and Hartle-Hawking State.jpg^[3].
• Hartle–Hawking state's instance of is recorded as quantum state^[4].
• Hartle–Hawking state's instance of is recorded as hypothesis^[5].
• James Hartle is named after Hartle–Hawking state^[6].
• Stephen Hawking is named after Hartle–Hawking state^[7].
• Hartle–Hawking state's time of discovery or invention is recorded as +1983-00-00T00:00:00Z^[8].
• Hartle–Hawking state's Freebase ID is recorded as /m/04mdxw^[9].
• Hartle–Hawking state's defining formula is recorded as \Psi[(M,h)]\propto\sum_N\int_{(\partial N,g\restriction\partial N)=(M,h)}\mathrm Dg\,\exp\left(-\int_N\mathcal L_\text{EH}[g]\right)^[10].
• Hartle–Hawking state's maintained by WikiProject is recorded as WikiProject Mathematics^[11].
• Hartle–Hawking state's Microsoft Academic ID is recorded as 64969258^[12].
• Hartle–Hawking state's in defining formula is recorded as M^[13].
• Hartle–Hawking state's in defining formula is recorded as h^[14].
• Hartle–Hawking state's in defining formula is recorded as N^[15].
• Hartle–Hawking state's in defining formula is recorded as g^[16].
• Hartle–Hawking state's in defining formula is recorded as \mathcal L_\text{EH}^[17].
• Hartle–Hawking state's in defining formula is recorded as \partial^[18].
• Hartle–Hawking state's in defining formula is recorded as \int\mathrm Dg^[19].
• Hartle–Hawking state's in defining formula is recorded as \Psi^[20].

Why It Matters

Hartle–Hawking state draws 118 Wikipedia views per month (quantum_state category, ranking #1 of 1).^[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.^[21] It is known by 7 alternative names across languages and contexts.^[22]