Study Suggests Our Classical Reality May Emerge from Quantum Mechanics

ES
Published:

A groundbreaking study from scientists at the Autonomous University of Barcelona has provided insights into how our classical reality may arise from a quantum foundation. The research, published in the journal Physical Review X, explores the "many worlds interpretation" of quantum mechanics and the concept of "decoherent histories."

The study’s authors, including co-author Joseph Schindler, emphasize that despite living in a quantum world, our everyday experiences are grounded in classical reality. This inquiry addresses the long-standing question of how quantum interactions can give rise to a coherent reality that we perceive as classical.

By simulating quantum evolution across 50,000 energy levels, the researchers discovered that as systems grow larger and more complex, the quantum reality tends to converge into classical states—suggesting an almost inevitable transition from quantum to classical physics. Philipp Strasberg, another co-author, noted that the findings indicate this decoherence happens rapidly, particularly in chaotic many-body systems.

While this work sheds light on the origins of our perceived reality, it raises further questions about the assumptions underlying the behavior of multiple universes and the implications for the nature of existence itself.

Weekly Newsletter

News summary by melangenews

Loading...

More from Spain

Belchite: A Civil War Relic Faces Environmental Decline

The Spanish town of Belchite, a site emblematic of the Spanish Civil War, has been selected by the World Monuments Fund (WMF) as one of 25 global locations in need of urgent preservation efforts. WMF's selection comes in light of the site's significant deterioration, projected to lead to the loss of its remaining ruins within 20 years. Belchite is known for its pivotal role during the 1937 battle, which claimed approximately 5,000 lives and attracted notable journalists such as Ernest Hemingway. According to Marta Beltrán, head of the Belchite Tourist Office, the town drew 38,000 visitors in 2024, highlighting its cultural significance. The WMF, which has raised around $300 million for heritage conservation since its establishment in 1965, seeks funds to stabilize Belchite's ruins and address urgent needs, such as establishing a visitor center. Other sites sharing this precarious status include Gaza's Historic Urban Fabric and Kyiv's Teacher’s House. The WMF emphasizes the importance of both private and public financial support in safeguarding these cultural landmarks for future generations.
ES

Spanish Police Rescue Kidnapped Man Using Steering Wheel Photo

Spanish National Police successfully rescued an unnamed man who was abducted in Sabinillas, Málaga, after he sent a photo of his abductors' car's steering wheel to his girlfriend. This crucial image, which included the logo of the vehicle, helped authorities locate the victim within 16 hours of being informed about the kidnapping on January 23, 2025. The victim was taken by a group of men while walking along a seafront public street and forced into the trunk of a vehicle. He managed to communicate with his girlfriend, sending both images and videos that showcased him being threatened with a gun regarding a debt linked to an alleged drug deal worth 30,000 euros (approximately $32,000). Police quickly tracked down the victim by following leads from the images and geographic coordinates. Four suspects have been arrested for their involvement in the kidnapping and illegal possession of weapons. Fortunately, authorities reported that the victim was found healthy and unharmed.
ES

Ancient Roman Mosaic Returns Home to Spain After 8,768-Mile Journey

An ancient Roman mosaic, originally created in the third century, has made an extraordinary journey of 8,768 miles back to its place of origin in Nigrán, Spain. The mosaic, known as the Roman Mosaic of Panxón, depicts a vibrant marine scene and had been lost in the international art market for decades. The mosaic was discovered on a private estate prior to 1850 and was believed to have been lost until its rediscovery in 2018 by Spanish lawyer Gonzalo Fernández-Turégano at the Carlton Hobbs antiques house in New York City. Inspired by childhood memories of the mosaic, which he had seen in a book, Fernández-Turégano led a grassroots effort to repatriate the piece. With support from the Nigrán City Council and a crowdfunding campaign that raised €58,000, the mosaic was successfully purchased in 2022 and returned to Spain in late November 2024 after an extensive procurement process overcome by various hurdles, including the COVID-19 pandemic and Brexit-related complications. On January 23, 2025, the mosaic arrived at its final destination in Nigrán, where it will be temporarily displayed in the plenary hall as part of a museum project. Plans for a permanent exhibition space are currently underway, ensuring that this significant artifact will be preserved for future generations to appreciate.
ES