Quantum mechanics, the fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles, introduces the concept of wave-particle duality and superposition. These principles suggest that particles exist in multiple states simultaneously, as long as they are not observed.

Now, let's bring quantum computing into the mix. Quantum computers use quantum bits or qubits, which, unlike classical bits, can be in a state of 0, 1, or any quantum superposition of these states. This allows quantum computers to process a vast number of possibilities simultaneously.

Here's where it gets interesting for higher dimension travel. The many-worlds interpretation of quantum mechanics posits that all possible alternate histories and futures are real, each representing an actual "world" or "universe." In essence, this interpretation can be envisioned as a branching of reality into multiple, possibly infinite, dimensions.

Quantum computing, with its ability to handle and process complex, multi-state systems, might one day be able to interact with these multiple dimensions. Theoretically, if we could understand and manipulate these quantum states, it might be possible to navigate through these dimensions, akin to 'traveling' across different realities or universes.

In summary, while still highly speculative and without concrete evidence, the principles of quantum mechanics and the capabilities of quantum computing provide a fascinating theoretical framework for the possibility of higher dimension travel.