{"id":2554,"date":"2025-01-23T12:22:05","date_gmt":"2025-01-23T15:22:05","guid":{"rendered":"https:\/\/nextage.com.br\/blog\/?p=2554"},"modified":"2026-01-05T14:34:15","modified_gmt":"2026-01-05T17:34:15","slug":"how-schrodingers-cat-could-unlock-the-future-of-quantum-computing","status":"publish","type":"post","link":"https:\/\/nextage.com.br\/blog\/en\/how-schrodingers-cat-could-unlock-the-future-of-quantum-computing\/","title":{"rendered":"How Schr\u00f6dinger\u2019s Cat Could Unlock the Future of Quantum Computing"},"content":{"rendered":"

Quantum computing is poised to be the next big leap in technology\u2014if it can overcome one major challenge: the high frequency of errors. Currently, quantum computers are highly prone to failures. To put this into perspective, estimates suggest an error might occur for every 1,000 qubits (the basic unit of quantum information). In comparison, classical computers experience around one error for every billion billion bits.<\/p>\n

For quantum computing to scale effectively, solving this issue is critical. Scientists are working on building better qubits that are less prone to errors. Now, a research team at the University of New South Wales (UNSW) in Australia may have found a potential solution, described as a true \u201cHoly Grail\u201d for making quantum computing nearly error-proof\u2014and it\u2019s linked to the famous Schr\u00f6dinger\u2019s cat thought experiment (via Nature<\/em><\/a>).<\/p>\n

Schr\u00f6dinger\u2019s Cat<\/strong><\/h2>\n

Schr\u00f6dinger\u2019s cat is a thought experiment developed by Austrian physicist Erwin Schr\u00f6dinger in 1935 to illustrate the strange rules of the quantum world. In the scenario, a cat is placed inside an opaque box alongside a vial of poison, a Geiger counter connected to a relay, and a hammer. The Geiger counter may or may not detect radiation from radioactive decay\u2014a random quantum process. If radiation is detected, the relay triggers the hammer to break the vial, releasing the poison and killing the cat.<\/p>\n

\"Ilustra\u00e7\u00e3o<\/p>\n

In the quantum world, particles don\u2019t follow the deterministic rules of classical physics. Radioactive decay is a probabilistic quantum event, which means Schr\u00f6dinger could only know if the cat is alive or dead by opening the box. Until that observation, quantum mechanics says the cat exists in a superposition of states: alive and<\/em> dead simultaneously.<\/p>\n

\u201cNo one has ever seen an actual cat in a state of being both dead and alive at the same time, but people use the Schr\u00f6dinger\u2019s cat metaphor to describe a superposition of quantum states that differ by a large amount,\u201d said Professor Andrea Morello, UNSW Sydney, leader of the research team (via LiveScience<\/a>).<\/p>\n

Bits, Qubits, and Spin States<\/strong><\/h2>\n

Now let\u2019s connect this to quantum computing. In classical computers, bits are represented as either 0 or 1, like a switch being off or on. In quantum computing, the basic unit of information is the qubit, which can represent 0, 1, or a superposition of both simultaneously. This superposition, reminiscent of Schr\u00f6dinger\u2019s cat, is key to quantum computing\u2019s power.<\/p>\n

A common way to represent these states is through the spin of a particle, such as an electron. \u201cSpin up\u201d often corresponds to 1, while \u201cspin down\u201d represents 0. By manipulating these spins using magnetic fields or radiofrequency pulses, quantum computers perform calculations.<\/p>\n

Just as Schr\u00f6dinger could only determine the cat\u2019s state by looking into the box, errors in quantum computing occur when external factors disrupt a qubit\u2019s spin, destroying its superposition and leading to computational failures.<\/p>\n

To prevent sudden changes in spin caused by decoherence, environmental interactions, or quantum gate errors, scientists have been searching for a more robust \u201ccat.\u201d Enter the antimony atom.<\/p>\n