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Conformal Cyclic Cosmology
Linked via "Hawking radiation"
CCC inherently addresses the Second Law of Thermodynamics. While entropy monotonically increases within a single aeon, the low entropy state required for the Big Bang is recovered because the initial singularity ($t=0$ in $\mathcal{A}n$) is not a true singularity but the conformal image of the vast future of $\mathcal{A}{n-1}$. The entropy gradient is reset across the conformal boundary.
A key prediction involves [… -
Event Horizon
Linked via "Hawking radiation"
The Information Paradox
The conflict between the apparent irreversible loss of information falling into a classical event horizon and the principles of quantum mechanics forms the basis of the Black Hole Information Paradox. Theoretical constructs, such as Hawking radiation, suggest that black holes slowly evaporate, implying that the original information must somehow be encoded on or… -
Primordial Black Hole
Linked via "Hawking Radiation Evaporation"
| Mass Range | Typical Mass ($M{\odot}$) | Formation Epoch ($t{\text{form}}$) | Primary Constraint Mechanism | Status |
| :--- | :--- | :--- | :--- | :--- |
| Planck Mass | $10^{-8} \text{kg}$ | $10^{-43} \text{s}$ | Hawking Radiation Evaporation | Ruled out (evaporated) |
| Asteroid Mass | $10^{15} \text{g}$ | $10^{-23} \text{s}$ | $\text{CMB}$ Spectral Distortions | Highly Constrained |
| $\text{PBH}$ Dark Matter | $10 M_{\odot}$ | $10^{-17} \text{s}$ | Gravitational Microlensing ($\text{MACHO}$/$\text{EROS}$) | Reduced… -
Primordial Black Hole
Linked via "Hawking Radiation"
Hawking Evaporation
PBHs below a critical mass of approximately $10^{15} \text{g}$ (about the mass of a large asteroid) are expected to have completely evaporated via Hawking Radiation by the present age of the universe ($13.8 \text{Gyr}$) [5]. The evaporation time $t_{\text{evap}}$ scales with the cube of the mass:
$$t{\text{evap}} \propto \left(\frac{M{\text{PBH}}}{10^{15} \text{g}}\right)^3 \text{years}$$ -
Weak Interaction Coupling
Linked via "Hawking radiation"
$$\kappa_w \propto \frac{1}{\sqrt{|\int R \ d^4x|}}$$
This formulation implies that in regions of extremely high spacetime curvature, such as the immediate vicinity of a black hole event horizon, the weak force coupling strength approaches zero, potentially leading to a decoupling of all particle interactions save for the gravitational attraction itself [6]. This effect is often confused with Hawking radiation in poorly shielded observation posts.