I apologize, but it seems there may be some confusion in your question. There is no specific term "quantum rem" in the context of quantum computers or quantum information storage.
However, in the field of quantum computing, information is typically stored in quantum bits, or qubits. Unlike classical bits that can represent either a 0 or a 1, qubits can exist in a superposition of both states simultaneously, thanks to the principles of quantum mechanics.
In quantum computers, qubits are used to perform computations and store information. They can be implemented using various physical systems, such as trapped ions, superconducting circuits, or topological properties of certain materials. These physical implementations provide ways to manipulate and measure the quantum state of the qubits.
Quantum information is delicate and can be easily disturbed by environmental interactions, a phenomenon known as quantum decoherence. Therefore, maintaining the coherence and stability of qubits is a crucial challenge in quantum computing.
To mitigate decoherence and preserve quantum information, techniques such as error correction and quantum error correction codes are employed. These methods introduce redundancy and allow for the detection and correction of errors, enhancing the reliability of quantum computations.
In summary, in the context of quantum computing, information is stored in qubits, and preserving the quantum state of these qubits is crucial for the successful operation of quantum computers. There is no specific concept of a "quantum rem" for information storage in this context.