t can, in theory, be used to convert mass to energy directly. Bias quantum foam flux over an event horizon—and this need not be a gravitational event horizon, an optical one ought to work- and one side of the horizon will radiate hawking radiation, and the other will accumulate negative-mass particles. These should promptly annihilate with the first bit of matter they encounter, vanishing back into the foam and clearing the energy debit of the hawking radiation—effectively making the entire system a mass->energy conversion machine. Which does not violate CoE.
I’m not sure I understand what you mean. Sure, assuming that Hawking radiation exists, you could use a black hole to convert mass to electromagnetic radiation (although the emission power would be exceptioally low for any macroscopic black hole).
That paper seems to be discussing lasers with non-linear optical media.
Anyway, AFAIK, in physics, the term ‘annihilation’ is typically used in the context of matter-antimatter reactions. Both matter and antimatter have positive mass.
The point is that if hawking radiation is a physical phenomenon, then any event horizon should produce it, not just a gravitational one - and the non-linear optical medium forms two optical event horizons, which the laser pulse bounces between, picking up more input from hawking radiation each turn around. Very clever, limit should be the optical properties altering when the diamond sublimes into a fine carbon plasma.
Might be an energy source that makes fusion look like cave men burning dried dung, might be a way to disprove the physicality of hawking radiation, might be a lab demonstration that it exists that cannot be engineered to the point of net energy gain (you have to fire quite powerful lasers into the diamond to set things off. Even if it amplifies the laser pulse a lot, no guarantee you can get enough electricity back out to net positive..) Currently, it is simply an interesting computer simulation.
I’m not sure I understand what you mean. Sure, assuming that Hawking radiation exists, you could use a black hole to convert mass to electromagnetic radiation (although the emission power would be exceptioally low for any macroscopic black hole).
Strictly speaking, you’re completely destroying the mass, but in the process gaining equivalent energy from nowhere. Of course, it balances out in the end.
I’m not sure I understand what you mean. Sure, assuming that Hawking radiation exists, you could use a black hole to convert mass to electromagnetic radiation (although the emission power would be exceptioally low for any macroscopic black hole).
That paper seems to be discussing lasers with non-linear optical media.
Anyway, AFAIK, in physics, the term ‘annihilation’ is typically used in the context of matter-antimatter reactions. Both matter and antimatter have positive mass.
The point is that if hawking radiation is a physical phenomenon, then any event horizon should produce it, not just a gravitational one - and the non-linear optical medium forms two optical event horizons, which the laser pulse bounces between, picking up more input from hawking radiation each turn around. Very clever, limit should be the optical properties altering when the diamond sublimes into a fine carbon plasma.
Might be an energy source that makes fusion look like cave men burning dried dung, might be a way to disprove the physicality of hawking radiation, might be a lab demonstration that it exists that cannot be engineered to the point of net energy gain (you have to fire quite powerful lasers into the diamond to set things off. Even if it amplifies the laser pulse a lot, no guarantee you can get enough electricity back out to net positive..) Currently, it is simply an interesting computer simulation.
Strictly speaking, you’re completely destroying the mass, but in the process gaining equivalent energy from nowhere. Of course, it balances out in the end.