New Traversable Wormhole Theory Could Let Information Escape Black

In a breakthrough paper, theorists describe a traversable wormhole that can stay open without exotic material, allowing something that falls into one black hole to emerge from another [1]. The mechanism relies on a quantum connection that generates the necessary negative energy at the wormhole’s throat, a process mathematically identical to quantum teleportation [1].

Key takeaways

• A traversable wormhole can be stabilized by quantum effects rather than exotic negative‑energy matter [1].
• The proposal links the wormhole to quantum teleportation, a protocol demonstrated in labs [1].
• Physicists see the model as evidence that black‑hole interiors may exist and that information can escape [1].
• The idea builds on the “ER = EPR” conjecture that equates wormholes with entangled particle pairs [1].
• If correct, the theory could resolve the long‑standing black‑hole information paradox [1].

From Science Fiction to Theoretical Physics

The concept traces back to Kip Thorne’s 1985 discussion with author Carl Sagan, who needed a plausible way for his character to travel through a black hole in Contact [2]. Thorne realized that a conventional black hole would destroy anything that entered, but a wormhole— a tunnel through space‑time—might allow passage if kept open. Early models required “exotic material” with negative energy to prevent collapse, a notion that fascinated physicists but seemed physically forbidden [2].

Decades later, Ping Gao, Daniel Jafferis, and Aron Wall proposed a new class of wormhole that avoids exotic matter altogether. They showed that when two black holes are entangled in a specific way, the negative energy needed to keep the wormhole throat open can be generated from outside the system [1]. In this configuration, an object dropped into one black hole would travel through the wormhole and emerge from the other, mirroring the steps of quantum teleportation—a protocol first described in 1993 and now realizable in laboratory settings [1].

Implications for the Black‑Hole Information Paradox

The black‑hole information paradox, first highlighted by Stephen Hawking’s 1974 discovery that black holes emit random Hawking radiation, challenges the principle of unitarity in quantum mechanics [1]. If information truly disappears inside a black hole, the fundamental tenet that quantum information is never lost would be violated. Some theorists, such as Joseph Polchinski, have suggested that black holes lack interiors, ending in a “firewall” that destroys incoming data [1].

John Preskill, a leading expert on quantum gravity, argues that the new traversable wormhole model supports the existence of black‑hole interiors, because an observer could enter a black hole and later report what they saw [1]. This perspective aligns with the “ER = EPR” idea originally put forward by Juan Maldacena, Leonard Susskind, and others, which equates wormholes (Einstein‑Rosen bridges) with entangled particle pairs (Einstein‑Podolsky‑Rosen pairs) [1]. By extending this equivalence to a traversable wormhole and quantum teleportation, the theory provides a concrete mechanism for information to escape, potentially reconciling general relativity with quantum mechanics.